... Unfortunately, I haven't found many shops that value this kind of feedback.
I actually had a local Yami mechanic threaten me because I gave him a less than stellar review with Yamaha's survey. (Your responses are not confidential with Yami.)
Today's bike mechanics cannot spend the Internet time researching problems that owners can. They would starve. A really good mechanic can help sift through BS for the useful information. But very, very few of them will listen to you past Intern...
They change parts. They don't diagnose problems. They call Yamaha to diagnose a problem. And they sure as hell aren't interested in altering behavior that Yamaha readily supports.
Spend your time and effort seeking out another dealership service dept. instead of trying to "educate" this one. Find one that you can truly work WITH before your YES Warranty expires. Because after that, it's your $$$ that pays for the parts swapping instead of problem fixing.