> I've discussed this with my mentor, who is a veteran of 3 successful start up's and has had a great career so far. He tells the modern internet techie's narrative of stress and tiredness is just plain whining, complaining and asking for sympathy.

Or he could be self-filtering - after all, he made it and if others can't then they're wimps and not tough enough.

Men are especially good at this. By the path he's chosen I would guess he's an alpha male to begin with.