We use the PR system in Ireland and we've had the same 2 parties in government since the foundation of the state. Yes, a few independents and smaller parties get seats, but they can do nothing apart from making a few speeches to an empty chamber. I'm with Stalin; It's not the people who vote that count, it's the people who count the votes."
It seems under Labour, there will be no change. They have the same policies as the Conservatives on Ukraine, Israel, Net Zero and immigration for example. I think this meme sums up the situation perfectly