You can spot check damn near anything in this video and easily find out that the claim is dramatically simplified, quite misleading, and doesn't really offer a fair summary of reality that actually holds water. But let's go through some of it, just for the heck of it, while I'm waiting for my supper to cool down enough that I can actually eat it.
1) Purpose of the EU being an EU superstate In the minds of some EUtards and some paranoid anti-EU nutters, sure. But try to suggest to a German that he's now a Frenchie or vice versa. Go ahead and see what happens. Try it with a Pole and a German or a Dutchman and a German. Try it with a Dane and a Swede. There are very strong cultural reasons why that EU superstate isn't in the cards for decades to come, unless something truly mind-melting happens, because the politicians trying to implement it would get lynched. Also, national constitutions are not superceded by EU law, which I'm just throwing out there, because if the UK wanted to be safe from suddenly being forced into some superstate nonsense then a constitution with rules regarding the process of ceding sovereignty will have to be respected by all the EUtards out there.
2) EU accounting for 45% of UK trade? I'm pretty sure those 45% are the export figure, and I'm not at all sure why he's calling that "trade". Trade has a wider meaning than "export" and knowing that x% of "trade" is accounted for by a particular destination doesn't actually convey any meaningful information, at least not as far as I can tell, asside from the obvious wow-factor of nearly half of UK "trade" being affected by the Brexit. How much will it be effected? That's the big question, isn't it? And the guy who made the video does not have a clue, nor does he want anyone else to have one either.
3) EU fishery vs days at sea. Quotas are the dumbest thing ever, blah, blah, days-at-sea the obvious answer. Or is it?
NFFO - News Turns out the issue is a bit more complex. Who would have thought? And it's not impossible that EU rules on the area could actually get changed eventually, but of course that would require some persistence and also cooperation with other EU countries, and we certainly can't have that, can we?
4) Free movement of people EU free movement of labor is a pillar of the whole concept, designed to ensure that individual countries doesn't suddenly implement biased laws against foreigners working in their countries. Also, no numbers are actually quoted. Also, no mention or thought is given to the amount of immigration that are in fact migrant workers who will leave again once the season ends or students or imported specialists. Also, non-EU net immigration is actually a third higher than EU net immigration. Oh, and I almost forgot: EU citizens are not strictly speaking UK citizens just because they live in the UK under the free movement laws. They are, however, EU citizens and the UK is merely not allowed to discriminate just like other EU countries cannot discriminate against UK citizens. Which means that his claim that free trade with the EU imparts citizenship in the UK is plain wrong. Final thing on the free movement, it does not affect non-EU citizens in the slightest and the EU does not force the UK to accept non-EU immigration, except in the recent refugee crisis. Also, the UK certainly can banish criminal EU citizens back to their home country, and being outside of Schengen, the UK can actually protect its own borders, even those internal EU-borders.
5) The common external tariff It's there to protect EU business, and considering how much bitching I'm hearing about migrant east block workers taking Western EU jobs and whatnot, the idea that you'd actually want to open the floodgates completely and just allow in any and all dumping effort by foreign low cost countries is ludicrous. Yes, this is protectionism and yes, free trade is good, but it's not something you do from one day to the other, and free trade is meaningless if you accomplish it by knocking the teeth out of all your domestic production. By the way, guess which side of that tariff the UK will be on? Now take a wild stab at guessing what that does to the 45% of UK export that goes into the EU? FYI, the UK export to the EU was valued at some ~230 billions in 2015.
6) British soverignty This is mostly nosense. The UK has ceded some sovereignty in order to be part of a union with other countries. That's how unions work. But that does not mean the UK isn't actually a sovereign country, able to make laws as it wants without asking the EU. It just has to live up to certain framework rules, just like it will have to in the future when it signs any trade agreements after the Brexit has been effected. The main difference here is that the EU is essentially a "living" and "evolving" trade agreement that covers a whole lot more ground, in order to create an enormous tariff-free, barrier-free single market.
7) Cost of membership The cost of EU membership is 8.4 billion, not 10 billion, but of course adding ~20% to the figure sounds even better, doesn't it? And who cares about facts, after all? But it sounds expensive, regardless? Okay, then consider that it enables that 230 billion export mentioned previously, as well as a uniformity of legislation, prevention of legal bias against UK business, and international cooperation on a whole lot of issues.
8) The decline of the EU The EU has declined because China and India primarily have grown? That's just silly. And now consider point 5, where he advocated against the protectionism that protects the UK market from non-EU competition, effectively advocating for opening up for growing foreign economies, which to some extent necessarily will happen at the expense of the UK economy.
9) New markets Leaving the single market? No problem. Just move the UK trade. Because that's something you just do, right? That's totally possible. You can totally just sell your beef or beer or banking services in bloody India at the same price that you can in the much more developed and overall more wealthy EU, right? Not a fucking chance. Pakistan is the same thing. Africa is slowly developing but the idea that they can just make up the gap is hilarious. And of course I'm simplifying as all hell, because export isn't a single entity, it's a myriad of small drops, and each of those drops will have to somehow find a new market and get established there, in competition with a whole bucket of other drops trying to do the same thing. Just moving somewhere else, after having spent decades optimizing for competition where you are, is in the same ballpark as telling polar bears to just grow summer fur and move to Africa.