Earlier quoted context omitted.
This is just a guess, but I imagine the hedge funds that own shares of these platforms are pulling some strings. That's a bit conspiratorial, but is it really that unbelievable?
It’s not unbelievable, but it does sound like a breach of fiduciary duties to side with investors against your clients. Is what RH doing legal for a brokerage?
At this point, nobody cares - Reddit found a repeatable distributed exploit that cannot be patched, and the financial system's self-preservation instinct kicked in.