By Msquared - Matt Myers - Original photograph by Matt Myers (uploader)., Public Domain, Link
The first electric guitarist says that good guitar tone requires overdriving a tube pre-amp.
The second guitarist says that the key to good guitar tone is putting EQ before and after your distortion.
The third guitarist says that the real secret to good guitar tones is saturating a tube power amp.
The fourth guitarist says that it is really the amp’s transformer that matters.
The fifth guitarist says that it is about the interaction of the pre-amp, power-amp, and transformer. And don’t forget speaker distortion.
Meanwhile, Def Leppard’s best selling album was recorded using Rockman headphone amps. (Developed by Tom Scholz of the band Boston.) Not the Rockman Power Soak with a guitar amp. The little, 1980s-era, solid-state Rockman headphone amp with a belt-clip.
By waterborough - photo shooting, Public Domain, Link
Of course, that is only one example. If you look, you can find many more professional guitarists who have been very successful with gear the purveyors of “good tone” would dismiss out-of-hand.
That’s just one of those things to remember whenever the Gear-Acquisition-Syndrome flares up.