See the linked page
You can't easily man in the middle https with encrypted DNS
Hostname, platform, OS version, software versions and other data are all sent.
Most commercial wireless networking software can fingerprint a device with a decent certainly
See the link
I only tip when they provide a service. If the service sucks I usually leave a small tip or nothing and if it is good service that makes my day I leave a bigger tip.
Samsung is famous for being bad from a software perspective. They also make a lot of money from bundling software so it isn't in there interest to let you get out of the ecosystem.
Librewolf does this out of the box
Governments should not require the use of proprietary software. If they try to refuse. I don't live in the UK but in the US I think you could easily make the case.
Well sometimes there are tip pools. The server gets a large percent but the host and the other support staff get a little as well.
/mydrive