Effect of the witness data discount on the UTXO set

Question

Part of the rationale to apply the witness data discount was to incentivize transactions to spend more inputs and promote a smaller UTXO set. Are there any data on the success of this pursuit?

Answer 1

[...] incentivize transactions to spend more inputs [...]. Are there any data on the success of this pursuit?

I guess this is data, but you'll have to draw your own conclusions.