I advice you to invest it in the gambling site because most of the users were starting to become addict in gambling. Also due to high price of Bitcoin in the market the users were starting to trust their luck to easy earn income.
I do not think gambling investment is affected by players that were addicted in a positive way only. We all know that the result of bets are random so it is possible that bankroll will win and lose. And not all people that are involved in bitcoin are moron that they will let their earnings depend on luck. Most just save their BTC and or invest it to ICO.