if gambling is taken as a means to meet daily life needs that will result in unstable life since gambling depends on luck and the house will always make you lose so such high-risk ventures as gambling shouldn't be taken as a passive source of income.
Exactly. You can get lucky and make some profit from time to time or get extremely lucky and hit the jackpot, but this happens only once or twice in a lifetime, if it will ever happen. But gambling must never be considered as a source of income because it's not and statistically, the majority of gamblers will lose more than what they are going to earn on the long run. This is how casinos make profit.
There are many answers that could be responsible for that, some don't like getting involved in unnecessary things or conversations so they will prefer going private with their casino games just to whine away time
Well, I don't quite agree with this. There are many activities one can practice if they just want to stay alone and isolated like playing video games.. They can even play casino games just for fun on demo mode without risking their money. It's just there is something with losing money which make gamblers want to play more!