Though they'll realize things and sometimes regret things, but the money was already collected by the house owners and add it up to their paychecks..
It's a fact things are like that, but I think that kind of gamer takes that away from them in a way they believe that they are very important also because they make friends and that is the social event and maybe it is their way of letting off steam , of course it is a very comfortable vision when you have so much money and you don't know what to Spend it on , for me that is something that always happens especially in physical casinos, in online Casinos it is lived in a much more personal or particular way.
In some way, yup there are gamblers who spend money to pass some time and they choose gambling as source of entertaiment they are okay losing some or spare, from that point of view, it's okay as they are usng spare money and not exceeding, the problem is to those who can control their emotions those who treated gambling as source of their income, most of them losses a lot as they can't let go and they keep pushing to try hard winning back what they've already spend.