the screenshot does not look like nautilus, maybe xfce?

Macs are not really what I think of when reading “middle of the road linux”

there is a base implementation basically all compositors are based on

I recently stopped switching to x11 for gaming. With most games, the performance is 5-10fps better on Wayland

Firefox Mobile also has this

I was talking about the history on device, of course I agree: never expect privacy on a device controlled by someone else.

I can confirm there are places where that is possible.

Also as long as they do not whitelist executables, you could use a portable version of a browser.