This. If you listened to isolated guitar tracks from recordings you will begin to understand how this works and thanks to the Internet they're easy to find now.I don't worry about it because tones from recordings are completely different from live tones. There is so much bass removed and specific frequencies cut to sound good in the CD mix that no one would use that live because it'd sound thin and lifeless.
I disagree a bit - what happens at the board in the studio likely happens live at the FOH board. To your point though, in that scenario the player can dial whatever they want.I don't worry about it because tones from recordings are completely different from live tones. There is so much bass removed and specific frequencies cut to sound good in the CD mix that no one would use that live because it'd sound thin and lifeless.