Probably not. What age should be the cut off? I don't know. Different cultures have varying degrees of opinions on maturity. Plus, the individual is always going to be different to those standards. I mean, if you want to go the real safe route, 25 is the age on average the brain stops maturing, right? Then, there's a argument that should be the age.

I think there's some hard limits you can definitely propose. I child 10 or under definitely should not be exposed to gambling. In fact, there's an argument to be had about how ethical gambling is in the first place, especially with companies which put a house edge on things.