The UK is an island, physically and metaphorically. It can dig its (financial) grave if it wants to, the rest of the world won't really care much.
The headline is false.
The headline is false.
https://www.theguardian.com/technology/2023/jul/20/uk-survei...
(I'm including their various attempts to ban porn from the internet.)
The main one being Great Britain, plus a chunk of Ireland. There are then a number of smaller islands around the English, Welsh, and Scottish parts of Great Britain.