If you want to "fix" that you should at least propose a technical solution that isn't just a dumb cat-and-mouse game.

> Bitcoin Core has allowed extra data in transactions deliberately for many years

Sounds like a mistake I'd like to fix

supertestnet

Bitcoin Core has allowed extra data in transactions deliberately for many years. This tool of mine does exactly that to publish text, and was created prior to even segwit, let alone taproot: 

https://github.com/petertodd/python-bitcoinlib/blob/master/examples/publish-text.py

bitcoin

Luke Dashjr said that Ordinals & BRC20 will no longer exist on Bitcoin.

Cowboy

You are incorrect.

Bitcoin Core has allowed extra data in transactions deliberately for many years. This tool of mine does exactly that to publish text, and was created prior to even segwit, let alone taproot: https://github.com/petertodd/python-bitcoinlib/blob/master/examples/publish-text.py