Alls I know is I'm way way happier now that I abandoned technical excellence in favor of stuff I enjoy listening to.
Excellent article in Stereophile
This is one of the most interesting articles I've read on harmonic distortion and its affect on sound quality and why the classic THD is a worthless specification.
https://www.stereophile.com/content/harmonic-convergence-effect-component-tweaking
https://www.stereophile.com/content/harmonic-convergence-effect-component-tweaking