Very insightful post with many things I recognize as a former political activist. Left vs Right is very much about industrial society development. While modern societies as Sweden are more complex where the Left vs Right economic spectrum is just one political spectrum. Among the other ones there are globalism vs nationalism, GAL vs TAN, urban vs rural, progressive vs conservative, libertarian vs authoritarian etc.

Aspects as globalization, European integration, climate change have changed politics since the 1990s. Also, for example in Sweden, despite the "working class" rhetoric the current welfare state is more beneficial for the middle-class and left-wing parties as the Left Party and Social Democrats are more middle-class oriented. This is because class societies have also changed

https://glibe.substack.com/p/the-swedish-welfare-state-more-as