I did not watch the linked videos because most podcasts are crap, but yes. UTXO set polluters will keep polluting. They do not care about OPR only that their data becomes “permanent” and unprunable in the UTXO set. Inscribers will not pay 4x either because they like their SegWit discount So this benefits no one

You are technically right but Mechanic's point is social. He argues that we have to uphold an ethos against spam. If we don't care about spam or "JPGs" on Bitcoin, we might get centralization from those abusing the protocol.

yes