The old-fasioned financial industry is like dinosaur. Some of the rules are set to protect their financial proxy roles and profit, but not protect the people. You cannot explain the financial crisis if you say that those laws are set to protect people.
We need no FATHER in the bitcoin community, so that I think ban the post is not a good idea. But drill into the US law and find some best practice to make it legally plausible is what we should do.