Hi Q,
Here's a fictional tale, it is not advising, encouraging action, or meant to represent reality in any way:
Maybe the 2010 Dodd Frank Act can be used to take out bad actors on wall street / corporate America.
Maybe use the FDIC/OLA to take banks/financials into receivership, (NOT bankruptcy),
(single point of entry at the parent holding company, so it probably can be a subsidiary)
with reason being they are (G-)SIFI's, systemically important institutions (or their holding company is),
and that they run the risk of default due to unsafe/unsound practices(which seems like a really low bar),
and that this will prevent another financial crisis.
Maybe you can include non-financial corporations as well,
if they are trading derivitives and you can take away their end-user exceptions.
Transfer all assets of the institution to a bridge holding company(good guys), fire the execs/bad guys.
Sell off any bad acting entities / subsidiaries (cough msm / ngo's cough) so they can be dismantled.
Make sure the good people get their money but the bad guys lose out(bail-in).
Good guys now have control of the resulting institution(s), this has ended too big to fails.
Seems like this could be done fairly quietly as well.
End of fictional tale