Regulation can be bad, but it can also be good. People think of history like it was wonderful, but it was full of cons and scams. Reputation matters, and people with reputations charge a premium for it. Some of the best aspects of regulations is exactly to remove the reputation tax by mandating everyone follow the same practices as the trusted institution. The real sad aspect is that the crypto-libertarians of today…
How exactly would regulation help in this case? Most countries already regulate pretty strongly against theft.
With most blockchains, this is entirely not feasible. The irony is that many of the brokers will likely be swamped by regulation going forward exactly because people will be unhappy with the lack of these types of disclosures.