OP_RETURN attack surface explainer:
https://opreturns.github.io/surface/

Obfuscation punches a hole in the wall and stuffs it behind the drywall.
Both forms of abuse need to be targeted. UTXO bloat with spam is unacceptable as a long term reality.
Agree on your second point. Regarding UTXO bloat; Knots addresses the inscriptions hack, while Core refuses to patch and redefines things to call it a feature. BIP-444 further addresses this through consensus rules.
Yep. And:
"Frankly, people have to be pretending that they lack the imagination to see the potential for the low cost of forever data amortized over eternity."