Good friends of mine raised his daughter in a manner that would give over 99% of parents massive coronaries. I'm not even a parent and I certainly raised an eyebrow. Well, the kid turned out to be very well-adjusted and very successful at everything she tries. And, a lot more aware of the world around her, with ten times the critical thinking skills of anyone else I know except for her parents. So was their parenting "good" or "bad"?
I guess what makes viewpoints like these intriguing is that "good" and "bad" are sometimes rather arbitrary terms, defined perhaps by norms that folks just cheerfully march to. Maybe it's too much work to challenge prevailing ideas.
Oh, and for what it's worth, last year I had my 8th gen at the dealer for the full maintenance routine. Valve check was part of that. Bike comes out, I get the bill, it's surprisingly small. Hmmm. No valve check. I inquire. Old-skool wrench comes out. I should mention he's a well-respected fellow around here who also races on weekends, and it's usually friends of the shop who get this guy out of the other six to have their bike worked on. I ask him about the valve check. He says the first check is never necessary on these motors but he did check them... using the ol' screwdriver stethoscope trick.
Your Mileage May Vary