I think the hideous bind we are in is that in a globalised economy, there is no getting away from misbehaviour in the financial sector, because when it malfunctions, the entire world suffers. On that basis, it’s better to be part of the problem in the short term than to have the parasitical behaviour move on elsewhere, because then when the City stuffs up, your country recovers a bit more quickly than it deserves, because the rest of the world helps to bail your global financial sector out for you… Although next time, maybe financial armageddon will be preferred and then we’ll get what we deserve for hosting a parasite.
We clearly don’t have the capacity to rein the financial sector in as much as we need to, because the hedge funds, etc, wag the dog, imvho. Feeling a bit stuck, therefore - populism seems to be where we are headed (ie the people whose behaviour is doing the harm in the first place also getting control of the state by convincing the populace that it is legal systems, civil servants, regulations, tax, welfare, and bloated government that are the entire problem, not the behaviour of the increasingly tiny number of businesses and individuals that have control over the world’s finances and are now also in charge of the ruling political parties).