Gambling site owners would neither be minding on having a temporal profit out of cheating or would really be minding about making money in long term ones.
So cheating out those competitions would be no point because once the masses or community got caught you then say goodbye into your business
Its true that even with just those typical house edge and methods you would really be definitely profit and thats the word or common saying that
house do always win.
We cant directly tell if they are doing this stuffs in the past and changed up when they get some recognition, no one really knows.
Even if they are not caught cheating, it will be an unprofitable undertaking. The point of bonuses is that in fact, they buy the loyalty of the player, and these bonuses are aimed specifically at the top players. If casino have not "bought" a player, then another casino will buy him, since a large player is a tasty morsel for any establishment. I read stories about how offline casinos paid the (top) players for flights and hotels and made a lot of profit because these gamblers lost much more than these costs.
You have said on whats happening in reality which i do fully agree.Casinos would really be spending out something or risk to be included on expense because they do know that they can
really benefit from it on longer runs.Getting loyalty from big bettors or whales is something a house do always target on.You are right about unprofitable undertaking and also
it does have corresponding risk because you are really risking out your reputation that you are trying to build.It isnt just on the right mind on doing such.