I'm not sure how true that is, but it's probably closer to being true than it is to being false. But of course my 'work' is mostly unsupervised, gives me time flexibility, lets me bugger off for a few hours if I feel like it, etc. Lots of white collar professionals work a lot more than they should (not exactly a white collar professional myself, but of that class at least), but even ignoring their relative wages, they generally don't face the kind of impossible bullshit that that someone trying to maximize the hours on two part time service jobs faces. You're on your feet. You work (or you don't) when your supervisor tells you to. Your hours, wages, and shifts are unpredictable too much of the time.
People with decent career jobs who respond to the magic McDonald's worker by thinking that they, too, work a lot are nuts. You might work a lot, yes, but not like that.
