Gmail blocks a ton of smaller email services for generating spam / scams / malicious activity, just because a protocol is open doesn’t mean it has to tolerate problematic content.
It’s not! The official app is relatively new, and Tusky has more features, or did the last time I compared.
Also, remember there are a bunch of nice 3rd party options for Android, like: Tusky (personal favorite), Fedilab, Megalodon, & Tooot
It’s not “sorry you cant work here because of your religion”, it’s “sorry you can’t refuse to do your job if you want to work here”.
Which is why trans girls need to have completely blocked testosterone, usually for a full 2 years, before any kind of competition.
They literally have less testosterone than the cis girls.