Because it’s proprietary garbage. If there are FOSS alternatives, I’m most definitely going to use them instead of proprietary software, let alone proprietary software by companies like Meta. And since there are plenty of those alternatives: No WhatsApp for me.
“it implies women in general.”
No, it implies a specific group of women, namely those with such piercings.
Why do you focus on the word “expectations”? The definition you yourself posted in this thread clearly mentions “hopes OR expectations”. I think the use of the term “disappointment” in this case refers to the “hopes” part. You can hope for something from someone without expecting it from them.
Dark Reader can do this, though it requires a little bit of tinkering. First you need to tick “Enable on restricted pages” in the Advanced section of Dark Readers settings (in the old design the settings can be found under “More > All Settings”). Then in about:config, all entries in
extensions.webextensions.restrictedDomainsneed to be removed andprivacy.resistFingerprinting.block_mozAddonManagerneeds to be set to “true”. If some of this doesn’t work, there’s also a GitHub Discussion with different solutions, but what I wrote here should do the trick.