One thing I do dislike immensely is the snobbery which often perpetrates the following of Classical music, such that one can almost sense the snooty disdain of aficionados when declaring a relative non-interest in the genre, and this is sadly quite prevalent in the music section of some other forums.
There are few things that make me as frustrated as musical snobbery does. I also detest the term 'Serious Music' as is often applied to it - the most serious piece of music I know is 'Man of the World' by Fleetwood Mac - why is it less worthy than say, Haydn's Violin Concerto No. 2 in D major for example?

I love Classical music, but it's not my main interest. The body of 'Classical' work was produced between 1750 to 1825, and by a handful of composers, usually commissioned by the aristocracy in order to boost their already over-inflated egos. Most of the rest of music was made by and for real people with real lives - I know which I think is the more serious!

However, my life is richer for having a wider ranging taste in music than the bigots - those with that attitude are the ones who are losing out - let them get on with it.

Chris