It bloats the UTXO set increasing the cost of validation, among other things

This is nothing to do with Taproot or Segwit. You are very confused.

If you have to ask, you don’t understand the second order impacts on plebs. My tor node is incredibly slow now. I can’t run it all the time and it’s not a fast computer. I sync the node when I need to broadcast a transaction. In my last sync I waited weeks.