chieftain
Mega Gammon
You shouldn't want that unless you also want a UK national side. Because one would inevitably lead to the other.
To be honest I couldn't give a toss, I'm not against the UK, a UK side or UK league. My identity and interest is not confined or defined to/by my national team or league so why not?

Thinking about it, i'd put Celtic and Rangers on par with Brentford and Stockport County.