Yeah. Most of the scams here are ran by 2-3 serial scammers.
It is actually a "bit" higher than that. My estimation is about 18, which includes the OP. Although, I believe it to be even higher. They do run the gambit here on this forum, from Investor-based games, Selling Goods, Lending, Micro Earnings, I'm sure I forgot a few areas, but those I've seen the same game with a different name
Obviously, I can't disclose my ways of learning this, aside from paying attention and doing a little diligent searching.
I have more respect for my coins now. Early on, I used them to buy giftcards. However, now, I just want to watch them grow. The only way for BTC to have respect in the world is to eliminate all these shit scams that seriously hinder the beautiful creation of Bitcoin.