You make a fair point about addressing Neoliberalism and I agreed with you in the sense it would keep the ship from sinking...
In the end it doesn't address the core problems of Neoliberalism but is a good first step and a badly needed bandaid....
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The fringe groups of will always exist no matter what and only the disparity makes way for them to gain any footing what so ever..
The question of why it expands has got to be answered separately. In what follows, I shall focus mainly on the political economy underlying the conjuncture that aids its growth.
Biden's plans are a good first step that address some systemic problems not the give away solution that some progressives entertain..
What we have to guard against Fascist movements in this sense are the diametrical opposite of socialist movements: while socialism seeks a solution to the crisis by breaking out of the political stasis through an economic program promising to transcend the phase of capitalism that has produced the crisis in the first place, fascism promises a break out of this stasis not through a concrete program but through extravagant unreason.