Hold up.
Sorry to go back to the op return stuff and I'm a bit slow and didn't/don't fully understand taproot and some of the downstream consequences in terms of ordinals/inscriptions.
But apparently you can relatively cheaply inscribe at least 400 KB of data AS IS within the taproot witness data, which makes the relatively more expensive OP RETURN portion with a proposed 100 KB cap (which is also prunable and doesn't bloat the utxo set) seem like a nothingburger.
Most of you probably already knew this but figured I'd put it out there for those of us in the back who are a bit slower.