In AggWit, the MWEB is the aggregation of "dusty" mainchain nonfungible UTXO.
The incentives are aligned for a negative incentive pressure that keeps the anonymity set high and the cost of metaprotocols prohibitively high.
Mara just mined an enormous 416.6 kvB non-standard transaction, consolidating 7244 17-month old BRC-20 dust outputs.
at only 2.01 sats/vb, the consolidator managed to reclaim 0.02735688 BTC by cleaning up these otherwise worthless utxos.