Sure, but even before that it’s not hard to imagine simpler protocols that still work in a non custodial manner, or even trivial adaptations to lnaddress to do so.
Discussion
Curious what you’re thinking that would be a simple solution to remove the existing risks of lnaddresses since I’ve yet to see one put forth.
In the use-case of nostr you could, for example include the public key required to sign the invoice to prevent interception.
https://github.com/lnurl/luds/pull/203
No need for webserver anymore if you have relays in the middle