Google's extension of RCS does do e2ee, which raises the question of "what happens to security when you talk to a non-Google user"…

??? Channels are literally public by definition and viewable even without an account. That’s the whole point of channels. They’re more like blogs than messages.

Banning channels is not the same as sharing private data

Why can’t I find any articles about decompiling and researching this one? :(

Sure, I mean, I don’t have any of these though, and I don’t want to deal with even the remote possibility of snail mail arriving From The Internet.

Njalla is bad because you don’t actually own the domain and there have been instances of them shutting down / revoking access?

Haven’t heard of them revoking access for any legitimate users. I like not actually owning the domain because this means not ever seeing a fucking form asking for my literal home address.

• WHOIS privacy is like the most common feature among registrars?
• Mail forwarding isn’t always free but pretty common too
• According to dongleauth DNSimple, Gandi, Namecheap, and Porkbun also support webauthn right now (hover plsss)

On Firefox Android, adding to home screen is basically just a shortcut to open a very slightly app-ier tab (no browser toolbar, notification to copy the URL). Otherwise it’s equivalent to normal browsing, so yes, your extensions work as usual. (Just checked myself with Tampermonkey).

No, there’s no additional information about your phone, that doesn’t exist.