Because they paid high interest rates! That's how all these scams work, one after the other. Pay high interest rates to attract customers (impossible to achieve

Because they paid high interest rates! That's how all these scams work, one after the other. Pay high interest rates to attract customers (impossible to achieve rates), create tokens of your own, trade them to other places paying high interest rates. Take your bitcoin deposits, use them to make other bets, hope that it will go up somehow.