At the very least the filter-ordinals.patch should end up as an on/off switch in Bitcoin Core's bitcoin.conf at some point, there's no reason people shouldn't have this option if they don't want to relay spam.

nostr:npub1lh273a4wpkup00stw8dzqjvvrqrfdrv2v3v4t8pynuezlfe5vjnsnaa9nk if you wanna take a stab at writng ordislow (arbitrarily slow down or withhold new blocks with inscriptions) I'm still good for the bounty.