if somebody takes it in to safe-keep and leaves a message at the location they took it, how to contact them. Sort of what johoe did.
There's no method of doing that in Bitcoin.
Also, by posting that there are more flaws to be found at bc.i you just gave the black hats a motivational boost.
There's existing incentive of being able to steal millions of dollars worth of Bitcoin. Do you really think some terse comments confirming that there are issues will make even the slightest difference? It's very much public knowledge that there's huge problems with their management of security, else this thread wouldn't be 20 pages long and I wouldn't be posting here.