It boils down to consent. You should always always get consent before taking an action that includes somebody else. Just because you can see me is not consent to record me. If you don't have consent, don't do it. It's as simple as that.
Grouchy
Look into Pixelfed.
So you want me to visit one of the greatest surveillance capitalist and privacy abusers video website to get tips on how to help people understand why privacy is important? Yah, about that. No.
It's developers working on their time to build an app they want. You don't have the right to demand they do things your way.
You can't stop location tracking on cellular devices. If it's connected to a cell tower, you're being tracked and profiled.
No idea. Sorry.
Sounds like something is incorrect in your setup. Nothing Lemmy does requires x11, dbus, or any display technology.
Jabber (XMPP) or Matrix/Element.
Cell phone tracking is common place. If you carry one, you're being tracked, profiled and having your data correlated with others. The question is whether you support living in a surveillance society. If you do, grab a cell phone and be happy. If not, get rid of it and use alternative communication methods. It's a simple choice. In my experience, most people choose convenience over privacy.
To use an Alphabet product is to support Alphabet regardless of how you access it. If you want to de-google, then stop using their products 100%.