That's interesting. Somebody with a masters in geology teaching high school science? That can only mean that he is way too useless as a geologist for any geological consultant, mining company or geological research organization to employ him. Simply put, he knows too little to be employed as a geologist.
And that is complete bullshit. I am more than a little more qualified in my discipline than Peczkis is in his, and I have taught at high-school level. Not all "teachers" teach simply because they can't do anything else. Not everyone is driven by pure bottom-line income.
It's not so much me, as the irritation I get at the typical "those that can, do; those that can't, teach" attitude and the damage it does to recruitment efforts aimed at employing serious professionals into teaching - I can give countless examples where this is perfectly applicable, but similar countless examples where it is not.