It's not generally about left-wing and right-wing, it's more that the UK is an authoritarian state, with relatively very few civil liberties compared to other western countries.

To give an example, when the government becomes upset with protests they just make them illegal: https://en.wikipedia.org/wiki/Police,_Crime,_Sentencing_and_...

and if people in the UK strike too much, they just make that illegal too: https://en.wikipedia.org/wiki/Strikes_(Minimum_Service_Level...