Remember Dr. Johnson's observation about attempting to teach a pig to sing :-) Well, I do recall a certain celebrity figure trying to sing the national anthem at a baseball game years ago. ;)
Actually, I always thought it was 'teaching it to tell time'...but either way, yes, it's a waste of time and it irritates said Artiodactyla.
(and ditto on your disclaimer)
Seriously, he's free to hold any opinion against .NET that he wants - but very few of the supporting arguments hold water.
Kevin