That's why it's important for gamblers to stop when they've won a lot from games that are based on luck like crash games. Because a gambler can't beat the house edge no matter how hard they try, even when they come up with a strategy, it will only last a few moments, because in the long run they will lose more money. So when there is an opportunity to stop when you've won a lot, just stop, because that will be the best choice.
I think one of the reasons why most of these virtual and crash games are pretty hard or almost impossible for gamblers to win is because most of those games are often manipulated by the house, they either increase the game's difficulty to ensure people lose more often than they win and if a gambler refuses to quit and keeps on going, even after experiencing multiple losses, he'll end up losing more money and he may even end up going back home with nothing.
I'm not saying this is the case for every casino, all I'm saying is that, I've been gambling for quite some number of years and with my experience in gambling, I can be able to smell or fish out a foul play when I see one, and I can confidently say that some of these casinos do manipulate the outcomes of some of their virtual or crash games, even slot games too.