Agreed!!
But I once had these two bass students who were sooooo much into KISS, it was unreal.
And, you guessed it, they believed Gene to be the best bassist or at least one of the 5 best in the world.
These guys were 18 or 19 back then and it was impossible to make them see that Gene Simmons is not a great bassplayer at all.
I told 'em, "you can be a KISS fan, great thing. But don't confuse personal taste with quality."
Later on they got quite aggressive (everytime I explained that there're other and better players) to a point were I told them, "I can't teach you anymore, we have to part, look for another bass teacher."
Thank God they took my advice.