> Cringe' for instance, rose to popularity once, became cringe itself, fell to obscurity, and was only relatively recently restored to frequent use

When were those changes supposed to happen? Cause saying cringe was never cringy in my neck of woods. And the word was in use the whole time.

> load-bearing', 'circle back', and 'let's be honest' were all also once heavily used in particular communities and are therefore heavily represented in any algorithm supplied with this data that is trained to sound professional and authoritative.

They dont sound professional nor authoritative. And never did. Load bearing was rarely use, circle back is just empty business jargon. Lets be honest is neither professional not authoritative. Never was. That is what people say when they are about to say something negative or ironic.

> My point is that the phenomenon of choosing ones words as a reflection of one's environment is not a new thing.

And that choice oftentimes used to flag you with negative implications ... precisedly because it made it clear which circles you are in.