I’ve spent the last week giving my points of view. You are dead wrong if you think filters do not work. The dust limit is a filter that was created to make it 500X more expensive for satoshi dice to spam the chain with 1 sat tx that said “you lost”.
Discussion
Push a PR that gets all that arbitrary data out of the witness data I can't prune if you are such an expert.
Some problems are genuinely harder to solve and your inability to spot the difference between addition and calculus doesn't make calculus easy, it makes you bad at math.
Do you seriously not see the difference between a > test and eliminating all possible future encoding of arbitrary data without breaking any possible valid economic transaction?
Only filters that works are the block size and the fees.