I work in a Hedge Fund: my first reaction reading this article was to wonder how someone can be so stupid to even try something like that. Then I read your comment and realize that in fact, the rest of the world (people not in Finance) actually think that you can get away with this. He probably thought that everybody is doing it, so why not? Well, turns out that no, you can't do that, and yes, you can and will get prosecuted for it.

So no message sent to Wall Street, we got that memo a long long time ago. Geeks thinking they know everything and disregarding all regulations, however, should take a long, hard look at it. Finance and anything touching it (like securities, which most crypto-currencies are) is very very very heavily regulated.