If you recall, back when you joined their campaign, I've advised you against promoting that particular casino/brand, Lauda.
Right now, I'd go forward and once again do the same thing. I don't think you (or anyone else) should be promoting them in your signature.
You shouldn't be advertising betcoin.ag given their current situation and how they handle problems/themselves.

That being said, I would advise everyone else being enrolled in that campaign to do the same, drop it.