I am truly confused as to why you are objecting to changing the term master/slave terminology in Tech? there are some pretty good guides as to why people are changing the terminology across tech here is a resource to start. cdm.link/2020/06/lets-dump-master-....
If you are aware of subtle influence language can have on mental attitudes and concepts than you should be more supportive of this change. Alexis talked about how the terminology bothered her from the start of her career. Same as mine to be honest.
Finally your last point about Microsoft and Github makes no sense. We understand that there are other issues in tech that need to be addressed but like everything in life we can tackle it in many ways. If you are upset about the way Microsoft and Github are operating or supporting racist policies you are more than welcome to actually message and bring attention to that then attack a black person for suggesting a simple way to start to change culture and mindsets within their workspace.
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