Jan shared an explanation to what happened there: nostr:note14qauwertvss5v3ykvkex8q5lv973cax8v72nyc0adu633xcgq6mqjrc0ql
‚However, we notice that by spending only 0.005% of the total #Bitcoin supply on transaction fees, a single entity can significantly impact the entire Blockchain regime.
This illustrates that if a whale or a governmental actor, possessing hundreds of thousands of Bitcoins, decides to spam the blockchain, they could impede its usability for normal payments.‘
https://block21m.substack.com/p/most-bitcoin-inscriptions-belong-d6d
