Op return limit doesn’t change much of anything. That’s the point. It is a useless bit of code. You can use a myriad of other methods to stuff data into the chain. Most of those methods are worse for the node operators.
I think Maxwell’s commentary on this issue is the most useful
https://bitcointalk.org/index.php?topic=5539943.40
The framing of this as one side is pro spam and the other side is anti spam is not correct. No one wants the stupid jpegs except perhaps the money launderers who find them useful. But you can’t stop them because you can’t stop fake pubkeys from being use to store data, you can’t stop miners from mining consensus valid nonstandard transactions.
