The compliance costs in terms of effort/time/money expended per dollar of revenue affected is probably 10x to 100x for them, as it is for you. This has been my experience, and my observation across many life stories. I taught basic finance to hundreds of mid- to low-income families in the 2000’s.
So again - a “let them eat cake” admonishion.
And FTX was just a massive, traditional fraud. Literally nothing to do with Cryptocurrency, other than as the medium of the fraud.
Random charlatans stealing money from gullible and trusting marks.
The bulk of the legitimate cryptocurrency platforms continue working. A few that were obvious mathematical impossibilities implode - much like fraudulent businesses have for ages past.