People have lost the value of what people  think betking is worth but no I don't think they lost any money until the site is closed down. For example I invested in both Betking and Bitdice Ico, despite how bad everyone thinks betking has performed bitdice aint doing all that great either, token price 0.025 my dividend payments might have made me like 1 eth in over a year despite investment being much larger than 1eth, and I think a lot of people were able to get 40% of their investment back from betking if they did buyback ( I never did a buyback) if I sold my bitdice tokens and added in dividends I woudn't even be at 40% of my investment back.