I'm not selling my mining rigs, and they aren't either, because we all know that mining is profitable and fun and will most likely remain profitable.
Of course. Just look at how Namecoin mining continues to be more profitable than BTC mining after people started bragging about it on the forum.
Oh, wait...
Right, miners have realized that since mining is competitive, by bragging about it they ruin their own golden goose.
That's why there is now a concerted effort to discourage newbies from starting up. Newbies are threats to profit.