Notable (Labour Party) left-winger Barbara Castle tried to address the problem of excessive Union militancy with a proposal "In Place of Strife" as early as 196

Notable (Labour Party) left-winger Barbara Castle tried to address the problem of excessive Union militancy with a proposal "In Place of Strife" as early as 1969. It failed and the problems only got worse. https://en.wikipedia.org/wiki/In_Place_of_Strife https://en.wikipedia.org/wiki/In_Place_of_Strife So, instead of the Labour Party dealing with the problem it ended up being Thatcher's Conservative Party. Let's just say, one extreme to the other.