the osa was dreamed up by the tories and enthusiastically implemented by labour. even if proportional rep or whatever alternative to fptp was established before the act came into force, there is little chance that one of these main parties wouldn’t have had enough influence to push it through regardless
I’ll confirm this, my english mother in her 70s who happily uses swears of all strengths up to and including fuck used to screw her face up in a scowl if you dropped a cunt in conversation, but now doesn’t bat an eye