Everyone gambles according to their own ability and careful gamblers always read the terms and conditions of the gambling site before gambling. So when someone reads the terms and conditions carefully before gambling and sees that there is a wagering requirement of $5k I don't think that gambler would be interested in gambling on that site. because there are many advantages to gambling, no one wants to take such a risk easily.
People need to become more responsible with their gambling, I know that all of us want to get some fun and unwind, but gamblers really need to begin to learn that before they make any kind of deposit at any casino they need to read their TOS, this way you are going to discover a lot about the casino in question and decide if the policies they have in place are fair for you, and if you think this is not the case then you can simply discard that casino and gamble at another one which has way better policies.
As much as there are those who seek relaxation and fun from gambling, there are those who as well see it for what they could gain. Many source for quick wealth in gambling as by one instant of a lucky roll, throw or whatever you could be an instant millionaire. Even through referrer bonus or whatever bonus ran by the house, one could come by some good luck.
Somehow, you would expect the house to pay and where would they get such funds to deliver on its ends without them users that gambles still. They are in for profit after all. Hence,
Terms are put in place to guide the gambler as well as protect the gambling platform so there could be some place to seek out some fun and cash still.