The EEC is a good idea because it represents freedom of movement and trade throughout a dozen economies which as the ThaHoward or I suppose even enewald will tell you is worth more than keeping rather useless and harmful tariffs that preserve the ego of those who think national sovereignty is worth anything by itself! Done correctly greater commerce is a better guarantee of peace and stability than any attempts to maintain cultural hegemony or building more prisons or more nuclear weapons.
To wish for a better Britain, a better Europe and a better world, we need to come together in the language we all speak which as the tories often remind us is money.
I agree with this. For EEC for free trade
((And FIY UK isn't part of Schengen. So if they went out of EU it wouldn't affect their immigration. They are not part of the free movement zone in EU. And it haven't been even made yet in this AAR, so using the free immigration/movement as an argument against UK membership in EU IRL and EEC in this AAR is pretty weird, as UK can have their own imigration policies independent of EU.))