Ordinals leverages today's #Bitcoin protocol rules. Folks who want to ban JPEGs are, unfortunately, going to need to hard fork to do it.
I don't like NFTs as much as the next guy, but I'm not dumping $BTC to try and stop them.
Let the blocks be full. Let fees go up. Let RBF proliferate and a formalized fee market emerge.
This problem *should* solve itself.