They appear to from the outside. Most of the examples of ethical collapse that I'm aware of weren't entirely clear until after the organization collapsed and the dirty laundry went public. A lot of these would either be actively suppressed or they'd only be clear to people who are inside the organization.

In other words, the list is usually only useful to insiders.

Only those trying to blow a whistle (generally not good for one’s health), or get out before the indictments start landing anyway.

They're banks, so the assumption is lack of ethics.

I don't know enough about what happened inside of those to evaluate.

HSBC did everything right and still gets crucified for it. Whether your system can distinguish between Wells Fargo and HSBC is actually a pretty good test case.