https://www.fool.com/investing/general/2014/10/01/the-comple...
A better summary wouldn't be "they make plenty of money legally." It would be they make plenty of money illegally after paying the settlements.
Also, showing these fines is a long way from "the most law breaking entities".
I do believe Wells Fargo got in trouble for helping launder money - and they spent a LOT of money to help fix it.
> HSBC Holdings Plc agreed to pay a record $1.92 billion in fines to U.S. authorities for allowing itself to be used to launder a river of drug money flowing out of Mexico and other banking lapses.
https://www.reuters.com/article/us-hsbc-probe-idUSBRE8BA05M2...
https://www.theguardian.com/world/2011/apr/03/us-bank-mexico...
https://www.bbc.com/news/business-54597256
I could keep Googling but that should cover your complaints about laundering money.
Do you also claim that banks are the biggest thieves?