To piss off people who are waiting for 1sat/vb to consolidate their dust? 

There are two entities at this right now:
- moron number one, OKX, they have thrown a huge chunk of tx themselves, funds generated from their multisig , there's no doubt there
- maybe moron two (assuming it's not okx) who has a really interesting history, he is the one that funded the address you mentioned:
https://mempool.space/address/bc1qprdf80adfz7aekh5nejjfrp3jksc8r929svpxk

In these 3 months:

Total received   ‎9,277,164.37521068 BTC
Total sent   ‎9,276,943.46038816 BTC
89,086 transactions, all overpaid

We need a blockexplorer that shows how much each address has spent on fees!