I'm saying that the ability to save lives is more valuable than the ability to teach children to be number 48 in the nation.i'm betting your pediatrist doesn't deal with life and death that often. Or rather, i should hope not.
And most teachers probably go to school longer than guys laying shingles. Also, 'hours worked' is somewhat of a misnomer. I'm guessing a roofer doesn't have to go home and grade papers or write tests.
That roofer did his 16 hours in the sun not six and air-conditioned classroom and an hour set on his couch