[My 'grease monkey' comment was intended to be an insult, but it was only aimed at the specific “gentleman” who screwed up my DR400, not engineers in general.]
Well, you did use the plural and say: 'grease monkeys' in your initial post, Rod 1!
There's good, mediocre and bad in
every trade or pastime. Buy me a beer and I'll tell you a few shoddy maintenance yarns as well.