I've been thinking a bit about the post I quoted, and some of the replies and QRTs my post then got.
I've got clear-ish stances on anarchists, tailists (ACP), weaklings (DSA), fanatics (MLM), Hudsonites, etc.
But about these niche micro-tendency Marxier-than-thou hipsters?
Marx would never give instruction as idiotic as "Abolish the commodity form!" because it's wildly metaphysical, akin to "Advance history further!"
Marx in fact acidly ripped into writers who made such bombastic claims, and always gave priority to studying reality over pleading.