If you can't even stop using black to mean negative in the workplace and substitute it with more accurate words - the new words are clearer - then you likely are not prepared for the real work ahead.
I'll also add the problem is not imaginary. Microagressions are a well documented and well studied category of racism. You can find many studies with supporting evidence. While you might choose to critique the scientific rigour of existing studies, you would have to do that with your own counter evidence, and not with a dismissive "it's imaginary". You could start here: https://journals.sagepub.com/doi/abs/10.1177/174569161982749...
If you can't even stop using black to mean negative in the workplace and substitute it with more accurate words - the new words are clearer - then you likely are not prepared for the real work ahead.
I'll also add the problem is not imaginary. Microagressions are a well documented and well studied category of racism. You can find many studies with supporting evidence. While you might choose to critique the scientific rigour of existing studies, you would have to do that with your own counter evidence, and not with a dismissive "it's imaginary". You could start here: https://journals.sagepub.com/doi/abs/10.1177/174569161982749...