the problem is, so many people tend to overlook reading the terms of conditions on sites that's why people get stucked on the site not knowing what to do. also the thing that worries me the most is that, you need some good recommendations from someone who is a trusyworthy user on that site since some reviews can be fake too. i have tried various gambling platforms out of curiosity and most sites i visited have different rules in which they focus on their specialty offered on their house and being not able to withdraw to a ceratin threshold is pretty common on those sites like dice, slots and those fast money-making games.
It's pretty common indeed but you need to keep doing your part in terms of reading the terms and condition to make sure you'll be able to maximize the uses of the gambling site you pick to play your game, with proper understanding of the requirements you will not be surprise if something is needed to implement since you do your part reading and understanding what is being said.
Accepting the requirements means that you are willing to follow whatever the house is implementing, for you to be able to transfer your money or for you to manage to take advantages of any offers that the house is offering.
This has been talked about a lot before, and indeed the main reason many have problems is that people are lazy to read it or they think the rules in every casino are the same, even though things are very different.
Indeed, reviews can be faked, but we can sort that out and see how many give positive reviews and how many give negative reviews. It can be a reference for us, although in the end we have to check it first. However, for reputable casinos, especially those on this forum, it can be recommended.