finally looked up the charmign curmudgeon himself, Luke Dashjr:
"Spam is generally and broadly defined as anything that people have not consented to participate in and don't want to participate in but are being force to against their will."
"Everybody who has adopted bitcoin has agreed to this monetary use case and financial transactions and even to an extent smart contracts, but everybody has not agreed to storing other data, processing altcoin stuff that's not even part of bitcoin like the ordinals and inscriptions. So the fact that there is not unanimous support for these things means they are spam."
----------ok this is what i agreed to as well.
when i see the blocks on the mempool explorer googles, that's what i imagine being stored in my node. blocks of monetary data.
it's the "monetary aesthetic" that max keiser talks about

