"FTX is the greatest excuse, whether planned or not, to further control bitcoin on-ramps and take away the possibility of self-custody and true ownership.”

No. This would be the opposite of the solution.

Bitcoin self custody is what PREVENTS these types of problems.

Bitcoin self custody is essential. Also unstoppable.

Even if your fairy tale comes true, it still wouldn't work. People would just use decentralized Bitcoin exchanges.

Fighting against Bitcoin is always stupid.