There were all those things like Glisan's scheme to sell Enron assets to Osprey- all the credit rating agencies rated Osprey, and all the major institutional banks invested. I don't remember the names of the other shell company refinance schemes, but there were multiple.
Then there was the bragging in financial press how Enron could raise money using innovative financial vehicles that didn't issue stock or take debt in a way that had to be reported to the street.
Thats bad enough but the leasing shell game that was a part of that couldn't have worked without leasing the tankers to the banks.
Anyway, I think the majority of people are honest and hard working, but whole industries can definitely be corrupt and depraved.
American systems are just full of loopholes for Chinese, and Chinese will exploit every one of it for gains, and it's seen as deserved and normal in China, cos they are not taking from you, it's from "the system/pubilc/country", so it's non of your business and not yours to judge, if your are jealous then take it yourself if you are abled too.