I do like taking stuff seriously that a lot of people look at as nonsense. I enjoy the insanity of that. And I like the commitment that is needed for that.
Investment banking has, in recent years, resembled a casino, and the massive scale of gambling losses has dragged down traditional business and retail lending activities as banks try to rebuild their balance sheets. This was one aspect of modern financial liberalisation that had dire consequences.
The men were all scumbags, but the whole point of the film is to show the development of that. Each guy is going in there to have a good time. By and large, these men are career men, family men, and you just see the deterioration of them.