But not all problems at a casino will be found unless the gambler has gambled at that casino, so gamblers will review the casino they choose to gamble at and they generally don't know the problems at all casinos unless they check in detail at each casino to ensure the casino system is fair and does not complicate the withdrawal process.
A wise person is the one who learn from other people's experiences and mistakes. So, if many users say that they had a bad experience with a certain casino or that it is a scam (they need to be trusted users or if they present undeniable proofs) then you don't have to test the casino yourself and repeat their mistake.
In case you did a research and didn't find any review you can trust and you don't have any other option but to try the casino yourself, then at least do it with a small amount of money.
Yes and that is the good thing here in our community, amongst ourselves we share our experiences regardless if it is bad or not. And with that, others are giving warnings not to play in certain casinos because of they might get the same bad experiences.
And that's why top tier crypto base gambling sites are very protected of their reputation here. Because only one bad review and accusations on them and they didn't settle it or at least reply what is the real issues, they will be affected negatively. But there are some individuals who take advantage of some casino though to destroy their reputation as sometimes their accusations are baseless.