Hard coating emaille

If you’re well-seasoned, you may have turned a bit sour by all the silver bullet news even when that was targeted at point problems/solutions. And, you may even be old enough to recall Why Johnny Can’t.
Seems there’s a new version of the latter, with a similar conclusion. Too bad for all of us.

Oh well…:
DSCN0414
[Also ‘old’, also of a ‘no photo allowed inside’ site. Guess which]

Your comments, please