Sounds like an interesting article, I'll give it a read later.
>So does this explain why UBI, state reformism, anarchism and idpol are so consistently popular within working-class populations, instead of old-school labor organizing?If I understood it correctly from the parts you posted, then imo yes, but I don't know how useful the term lumpen is in this context. I think the "needy opportunist" or "honest lumpen" can be better understood as a new sector of the proletariat.
>>398123Honest lumpens as opposed to criminals, which are also part of the lumpenproletariat as Marx defined it. Again, I think the usefulness of the term lumpenproletariat is extremely limited and Marx used it only in passing.
>>398129Precarious work is a thing. Temporary and part-time employment is everywhere, especially now during COVID.
>>398136The whole point of the base-superstructure model is that the latter is determined by the former. Thinking the popularity of identity-based struggles is just a carefully concerted propaganda effort that has nothing to do with how capitalism works in the 21st century is peak idealism.