Without any kind of budgeting, you run the risk of overspending and overconfidence- thinking that you can afford to spend more in the process. On the other hand, if you designate a specific portion of your income to gambling, once exhausted, you are somehow compelled to stop at that point.
As a player I don't budget anything to gamble in a casino, sometimes I just have something set aside to have fun and I put it in the casino to see if I'm lucky, but it's not a lot of money, it would hurt me a lot if the money I have to go out and have fun only went to a casino, there are many types of fun, the casino is not the only one, but as we are people who like adrenaline, we should allocate a minimum, so as not to lose the habit, allocating little money is a good option for the casino.
It is always a part of our expenses. Allocating a small amount could help to ease our addiction and habit, but this also matters in how serious we are in following this. Because many gamblers put their gambling budget at the lowest, but guess what? They bypass it and spend more. That is why gambling habits should not be taken lightly but rather seriously. So I say that it was not the budget that mattered the most but also how we control ourselves. This saves us a lot financially and mentally.