many don't want to adjust anything for whatever reason.I doubt it’s just me, but... wouldn’t most of us probably be adjusting a few things like levels, BMT (and/or low pas / high pass filters) if you were going to use factory presets to suit your guitars, personal taste, playback system, and necessary levels?
presets are a starting point. they must be adjusted for your system. no one buys a real amp from the music store, plugs it in at home and then doesn't adjust anything. same thing for the amp in the axe.