lassdas on Nostr: You can (and should) backup a channel, yes. You might still "lose the L2" when using ...

You can (and should) backup a channel, yes.
You might still "lose the L2" when using such backup due to the channel being force closed, but you'll get your remaining local sats back on L1, so you're not actually losing anything (except maybe Tx-fees for the channel-close).