This is not correct. All core developers are focused on payments. If there is a narrative out there that "Bitcoin Core supports inscriptions and Knots doesn't" that is wildly disingenuous.

The most important mistake specifically in your post is that looser op return limits mean there will be more inscriptions on chain. Inscriptions are very happy living in witness data already where they have been for years. It is much cheaper to store data there.

The goal of the v30 policy change is to match the behavior we *already observe* in miners, the consensus engine. This improves block propagation, fee estimation, and reduces the advantage larger miners have over smaller miners. In a word: decentralization.

Here's some more posts: