Re: how many of your favorite guitarists sounded better w/ off the shelf gear?
I've had a few theories on this over the years:
3) You have a window of about three albums to maintain a connection with fans, after that interest and intrigue will move in different directions.
Expanding on this a little more, also keep in mind that record labels push artists to bang out albums. The going rate used to be to put out one album per year, if not one album every 8 months.
Bands are constantly touring, between recording, publicity in terms of events, radio stations, etc, they barely have down time. So when they do go into the studio, do you honestly think their tone is going to be polished? It's like the have a month to mass produce an album. There's a trade off here.
and yes, bands musical taste will change and so will their tone. They have to advance with the times. Look at what Metallica did with their music. Same with Aerosmith. We can argue on whether it's any good or not all we want but the fact of the matter is they adapted with the times.
Most bands will try to switch it up in the end. Take Ac/DC for example. Had some good material. Except all their songs were the same chords and the same tone. Do you really wanna play that over and over and over again?
Speaking personally, after playing my originals with my band for the last year straight, I don't want to play those songs again for a while. My band got tired of the sound, so we're switching it up.