While social democrats allowed ultra right party Vox to enter the parlament (first time since franco), it is not so bad: the leading right wing party PP probably will not ally with Vox since they both would not have majority. A nice feature of Spanish politics is that they have a party with a percentage of communists (led by Yolanda Diaz), something what would be not possible with ultraconservative countries like Poland.
Besides of the factor you’ve just described, the modern left is not focused on truly leftist ideas, like high taxes to billionaires anymore. So the populist, right wing ultras stole the voters. Modern left is a big tent for fancy liberals who “care about the world” by some symoblic meaningless gestures. We need ML back!
Absolutely, it’s basically what Parenti describes in Blackshirts and Reds where he talks about ABC leftists. We need solid class based analysis which is ultimately what MLs do.