[gumpzilla]

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Anyway there are a lot of things that "normal" people do that aren't very appealing to me. Also who is he to say how someone else is going to want to live.

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Generalizations don't need to apply to everybody to be good generalizations. I think it is almost certainly true that more people think they can go pro and hack it than actually can, and they better have a backup option. Considering all kinds of other factors rather than just raw ability - getting bored with it in 2-3 years of grinding, the dubious legality of internet gambling, etc. - I think it's definitely wise to be thinking about what one will do if it doesn't work out.