Started because of the 70s Three day working week to manage the rolling power cuts, miners strikes fuel crisis, then tortured by thatcher who was set to nuke the unions of the face of the planet. Blues hate working class, reds hate anyone who makes profits, and each are scared the other will do those 70s and 80s things again and again. Nevermind that Blair’s Labour was a middle right party, and nothing like the Red Ken memories of Labour past, and it seems like tories have moved out to the right while Labour have moved into their old chairs. I don’t know what SDP liberals stand for
reds hate anyone who makes profits
Maybe the voters. The party itself is doing its best to sideline anyone who’s actually red and instead promote its centrists and blue-thinkers.
Tangentially, there’s profit and there’s greed. A lot of profit-hatred is, or has evolved out of, profiteer-hatred.