It seems some people are bristling at this remark because they wrongly take it to mean “if you use this phrase, then you are racist.“
That’s not what “racially coded” means here.
It means that the phrase is going to conjure up racial associations for some/many listeners •regardless of the speaker’s intent•, and that’s a thing to be aware of when hearing or using the phrase.
https://hachyderm.io/@inthehands/112763060511361803