I haven't seen anything else like this, but it's possible I have missed it. There are services like https://satspay.to/ which allow you to create a lightning address and point it at your own lightning node, but that is quite a bit different than the aliases I have planned.

Regarding Drawbacks: #1: Agreed, we would probably just refer users to a service such as Alby or even Stacker News to get their first lightning address if they did not already have one. #2: I'm still debating internally whether this drawback defeats the entire point of the aliases. If you are using aliases to stay 100% private, any way to pierce that privacy veil, no matter how difficult or theoretical that threat is, is likely a deal-breaker. But if you simply wanted aliases to add a bit of privacy and the ability to use multiple lightning addresses that point to a single wallet, I can see that use case. I'd love more feedback and thoughts on this, to anyone lurking.

I'm just not sure how many people would use the aliases if they were not 100% private, it's probably a pretty big drawback.

I really, really appreciate your feedback @BBitcoinUSA