Yes. I never said that a widely deployed spam filter would make inscriptions impossible.
https://twitter.com/oomahq/status/1623053271140286464
It would make them more cumbersome, more expensive and expose the spammers as malicious actors going against the will of the majority of nodes. This would clarify the situation, right now they have plausible deniability (the nodes are fine with our spam because they relay it).