Starmer did that long ago.
Starmer is Deep State.
As for taking measures against the UK, Trump will do it.
And as someone who uses/consumes products from the UK daily, I support Trump doing what he has to do.
The trade balance between the UK and US is more or less even, both sides claiming a trade surplus.
We’re not part of the euro-cabal so he might not single out the UK
I don’t know what his plans are