duh. it should not be something you have to say. the opposite would be surprising and would be worth stating. my point is the default for banks is that brexit will affect their licence to operate in the UK
This is really as far from crazy as you can get - it's just saying different people have different opinions and priorities, so the government should reflect that.
The fact that this stance has been consistently painted by Europhiles as "crazy", "impossible", "racism" etc is one reason the UK is leaving. The variety of ways in which this simple desire for local government gets insulted and traduced indicates a severe problem with the EU and its associated belief systems.
But since then they've launched in the US and investment money does not grow on tree. They've probably concluded that it was game over for them in the UK unless they launched a major investment push but they obviously decided to push in the US instead.
No, they are faring poorly in a very competitive, crowded market and have simply decided to focus on the US.