And then starting around 2010 but rapidly accelerating around 2014, everything about them went to shit.
The best explanation I can think of is that John Stumpf is a slash & burn sociopath, juicing the numbers so he can get his 473x-the-median-worker paycheck while ruining the company. He wouldn't be alone in the financial world, but it's a shame that a 150+ year old institution can so rapidly go down the toilet.