While I agree with your overall point, and these people are definitely the exception to the rule, yes actually.

Dave Mustaine of Megadeth, Flea from Red Hot Chili Pepers, Omar-Rodriguez Lopez of The Mars Volta / At The Drive-In / Antemasque

https://twitter.com/davemustaine/status/942528968779096065?l...

https://www.musicradar.com/news/guitars/flea-returns-to-scho...

https://web.archive.org/web/20080601005441/http://www.signon...