Right, aren’t blocks like 2 min? I guess options are good, this doesn’t seem like a good fit

Doesn’t liquid integrate with Lightning?

Why too slow? Once sent, the sender doesn’t haven’t to worry about confirmation time and doesn’t need to remain online during the confirmation period.

Garnet "zaps" Monero seemlessly. You see the balance incoming and simply wait for the confirmations. Liquid would be even quicker and will have none of the failed transaction issues that we deal with in lightning.