I don’t think “female” is offensive.
I thought it was offensive because some (supposedly female) users said it was offensive; but I didn’t understand why my female friends used the term (female).
I found another saying that it wasn’t offensive, and I immediate copied that belief.
LGBTQ+ politics is confusing …
Saying that this is keeping up with changing trends of what is politically correct language implies that there was a time when referring to women as “females” outside the context of a biology lesson didn’t sound weird as hell. Have you got any sources for mass usage of the term in that way from the past?
I don’t. Not my best example :p