It's painful to the side of the bettors because they are supporting a specific team, knowing that the team they are supporting is already accepted or designated to lose the game. This covers the whole betting platform for Dota 2 which includes item and also to those bookies which are the bets are into bitcoin. The punishment is hard and it's removing your whole career into the competitive scene if you are a pro player.
Okay, but the worst part is that the players suffer from it. The bookmaker's not gonna want to pay.
All these companies have companies on some "honolulu" island and you don't really know how long they'll last and if they'll disappear with your money. Of course, I'm not talking about the cases of companies existing for 20 years on the market, but about all these "super bookmakers ever"