Stop Loss does not always work. I would say that in critical situations this is a useless function, since the same Binance throws huge volumes every second and Stop Loss simply does not have time to work. You just watch as you lose your position.
Yes, this sometimes happens on Binance, despite the fact that there is usually enough liquidity there. But this is not the rule, but the exception. It is for this reason that you should not ignore the stop loss, which in most cases is an effective way to protect against liquidation.