But that’s not a “rebalance”. That’s a lightning payment to a peer, where you receive in return an on chain UTXO or a liquid UTXO.

You’re sending a payment out of lightning, and you would have to have someone either directly receive your on chain UTXO or liquid UTXO, or swap it back for lightning liquidity and then route to the channel it would’ve settled in anyway.

So unless your goal is just to swap out onto the main chain or liquid, it doesn’t accomplish the same thing as circular rebalancing, or it does so in ultimately the same manner as a regular rebalance with a bunch of extra steps along the way.