A judicial system exists to enforce a system of rights that facilitate socioeconomic cooperation. Actions of force or fraud against individuals should be punished appropriately.
Discussion
What exactly can I, a Bitcoiner, do to punish those committing securities fraud, or to stop people from engaging with them?
How do you expect a decentralized system to overcome crypto's marketing budget?
Markets act rationally but do not have perfect information. In time, information will be less asymmetric. We will have a hard time educating people when bad actors seem more credible. History will do the work for us.