It uses the same kernel (it's just a container) and the benefit is for example AUR without using unstable distro.
You use AUR and if something breaks, it only breaks the container.
You can disable the feature, it's called something like near device discovery.
Also check this cool app that lets you spoof those devices and spam the suggestions.
I live in the Czech Republic and I can buy a SIM card in any supermarket.
Put on some hat so I can't be recognized on a camera, wait some time so they delete their camera recordings, and I'm good to go.
Not that I do that, though.
I'm sure there are similar tools on Linux.
When I install KDE Plasma, I always disable baloo indexer because I don't need it, but I think it does something like Everything.
It uses the same kernel (it's just a container) and the benefit is for example AUR without using unstable distro. You use AUR and if something breaks, it only breaks the container.