I honestly don't see more of one than the other.
I know rich people who are over weight and I know poor - middle class people who are under weight...and vice versa.
Just to get this off my chest I've also seen the current affairs shows, alarmists that they are, claiming that Australia is becoming a fat nation. Then they show the chest-down shots of random youngsters walking around in city malls eating, and they only zoom in on the over weight ones. They are eating they're lunch!! ! Leave them alone!! !
Meh...maybe I'm just oblivious.
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Nothing much shocks me...so please stop trying...yawn...