Because modern legal systems and modern economies work on the assumption that malfeasance is a reason to un-do what crypto systems want to make indelible. This is an obvious and obviously good thing to people who are not absorbed by this odd groupthink. That impedance mismatch is an excellent indicator of why this technology is viewed as stuff for cranks and grifters, even were there useful applications to be had for the public.
> Also, I don't know any law that exempts crypto companies from being taken to court.
...while at the same time the crypto community is wracked by disposable entities fleeing into the night, beyond any practical legal reach.
On the other hand, if somebody compromises your debit card, Bank of America will make you whole while they reverse the transactions on the backend.