So how would an American company who doesn't want to comply with this handle it? Simply block all incoming UK IP addresses? I wonder if there is any chance tha

So how would an American company who doesn't want to comply with this handle it? Simply block all incoming UK IP addresses? I wonder if there is any chance that British courts would say this goes against basic human rights. I have no idea if there is a "set" of basic rights like the Amendments in the US Constitution.