Britain had a highly favourable agreement with the EU that it negotiated decades ago. If it wanted to rejoin, it would do so without those privileges.

No, the screenshot is real, they’ve been testing it in selected regions for a little bit

Lots of capchas usually, I can’t remember being outright blocked when I used it

In the UK for a random guy it’s usually Joe Bloggs.

There is some software that it will plain just not run. I moved over to fedora from Windows and was loving it for about 6 months, but I needed CAD software for work that I could just not get to work, no matter what tinkering I did.