I assume you're "tone deaf" comment refers to recent societal relations in the US, and the response from organizations like Github to rename master branch to main branch. The master/slave duality is certainly an important notion to be worked through in the US. Respectfully, in the context presented here I disagree the "master" context always requires a slave to be a complete concept.

This has a good discussion on it: https://www.etymonline.com/word/master

It's simple to ban (antithesis) the status quo (thesis), but ultimately embracing the nuance leads to a more useful harmony (synthesis) that helps society grow and expand (https://en.wikipedia.org/wiki/Dialectic)