Not yet. Not before he getting his share from this scheme.
I'm not going to spread FUD, but just stay neutral. If he does decide to ditch, oh well, it's a part of the crypto world. Until there some kind of filtering of what coins are able to posted here, there will still be a huge influx of scamcoins in the community.
And that won't even happen. Bitcointalk is one of the most unregulated forums online. Regulation is done through users and trust. Account sales, etc are allowed. Everyone is one their own. Trust your proper judgement and use escrow. Invest with proper research.