The end-point of your logic is that bankers are too important to prosecute, which is obviously unacceptable.
The parent comment may or may not be correct (I honestly don't know), but author makes it really, really clear what his logic is, and it's nothing like it.
If you came to such a conclusion, it means that you skimmed through the comments above in 2 seconds, and not even trying to understand what was actually written.
I see this as an absolute. I don't really see how it can be otherwise.
This is the justification that sievebrain used for the selective application of what he considers to be poor laws.
I say we need to enforce poor laws too, because otherwise it's rule by men, not laws.