As I said, its' all about context. And the context it was used it was perfectly fine, normal, etc. In fact it was perfect English, it's common to see 16 year old girls walking late at night just as common to see 40 year old women walking late at night. They're both female, one group are girls and the other group are women.

> I want people who both don't know that smth may make others uncomfortable and want to change in that case have the relevant information. If you don't want to change, then... good for you? That's not my problem. You do you, I guess?

Right back at you. It makes other people uncomfortable when others go around saying a gender is dehumanising. Especialy, when in English it's the correct word. Female/male is refers to gender, woman/man refers to gender and age. It makes people very uncomfortable when you imply they were some how rude when they weren't.

But as I said, people who would be outraged would always be outraged. It's the new trend, to show they're thinking of other people while disregarding others.

It is not outrage. It is demanding that women get respected in the ways that they want to be respected. Perhaps you have not noticed the tendency for some people to consistently refer to men as “men” and women as “female” or “girl”. If you don’t like it, too bad. We will continue demanding respect. It takes exactly zero seconds to use the word “woman” over “female”.

You demand respect for women by saying their gender dehumanises them?

Perhaps you've not noticed but some of those people are women. You going to start correcting women when they say they're off on a girls night out and tell them it's a womens night out? You going to start correct them when they say they have an all female executive board and tell them it's an all women executive board?

The reality is, when you say that the word female is offensive, which you are, you're making their gender offensive. And that is not respectful.