There are some artists whose music you like. And then there are others whom you respect. I think John Mayer is one of those whom I respect, and not just because he writes his own music. I've read a couple interview by him, and he is a true guitarist. When he plays you can tell he's completely into the music, not playing for anyone but himself.
"For all the complaining about the state of affairs in the music industry, I really feel like there's been a corner turned - a crucial one - and though you can't see it on MTV or VH1 yet, it's taking place where it first has to - among people in their bedrooms, garages, etc... there is a whole new culture of guitar players coming up. And NOTHING in my life has moved me like this. To look around and see 18, 20, 24 year old guys with guitars, taking the same pride and consideration in what they're doing as I always have. It's a deep thing."