Most old-time gamblers are good at controlling and faking their emotion I don't think it will be an issue at all it's the newbies that will have a hard time proving if they can take a loss, because while you are learning how to gamble you'll also become good at concealing your real emotion
so it will be no problem for old gamblers.
I agree, the more experience you have with gambling the better you can handle your emotions. I have been gambling for a long time in physical casinos but only with a small bankroll, I got used to having bad beats where the luck just runs against you. It's always great to gamble in a biggger group so you see all kind of reactions.
In the end these kind of protections are mostly for the new gamblers, I think the chances of becoming hooked on gambling is especially high when you are new to all the games.
It's true because sometimes you do not worry about that money that you lost, if you lost it's fine because it's just a game in the end of the day. You don't need to get anger on a gambling game, it'll just stressed you out and will just ruin your mindset of