Agreed.

In this case i dont think the relay policy change is an attack on the chain quite like allowing the taproot spam is but it is the exact same mechanism and se of problems.

I do find it curious that Core intervened now only when it appears that most of the mining hash power is mining sub-1 sat/vbytes whereas MARA alone having Slipstream was used as a checkmate for anti-spam argument that it would increase node resource needs and lead to infinite orphaned blocks. The first makes sense - standard transactions where market clearing price dropped in deflated BTC terms where most blocks that could have them did have them. Whereas the second seemed at the VERY least too early to pick a side