Antitrust is akin to this, with corporations being split into much smaller and way less powerful entities - it happened to AT&T, and Microsoft was close to getting sentenced as well in 1990s.
Isn't that what happened to SVB?
That was more like a public lynching
No, SVB failed as a result of a bank run. What OP is suggesting is more akin to Arthur Andersen after Enron.
Individuals need to be punished if they do something evil.
It's too easy to hide behind your corporation/business when your company ends up doing some serious environmental disaster.