The only way to get your funds stuck on 1xBit is to lose a bet.
In every other case players are free to withdraw their funds. Even if there is violation took place - deposits are being returned if not returned yet.
Let me correct you here. The only way to get your funds stuck on 1xbit is by depositing your funds in this site(Especially big amounts). This is the truth. You cannot simply hide the truth by providing unlimited excuses.
Most deposits that were returned or refunded were most likely small amounts or related to cancelled bets in order to minimise your losses.