Great question, OP.
Is it possible to work in a bar and not drink alcohol?
Is it possible to work in a cigarette factory and not smoke?
The answer is always yes and many people manage to do that.
If your friend has a problem staying away from gambling and his casino work is leading him astray, he should find another job.
Yes, this is actually true because we do know that each person would really be having their own levels on how they would really be controlling themselves in speaking about on the things
that they are really that dealing with. Doesnt matter if that particular thing is in front of you or you are working into or not, it will really be just that depending into someones control because if you do find yourself having no control and would really be that wanting or liking to deal with the things on what you are current working on, then high chances that you would really be doing the same and this is would really be that just normal. This is why it would really be that important that you should really be that wary on the things that you've been into because not all would really be having such control.
You are really that right and this is why we cant be able to judge up directly that a certain person would be addicted or dealing up with something just because its part of their work
or something that could be that seen on their workplace. There would really be those individuals who would really be able to make out such control and discipline towards their decisions.