I have never seen a good description of how they intend to push a "tweet" out onto the internet, with one sender and many receivers. (and all receivers not being online all the time.)
So, failing that, everything from there up is a mess of spaghetti.
Are the lightning network people talking about milli-sats yet? Tipping is going to need that level of fraction-izing soon.
Internally Lightning does all accounting in milisats but front ends only know how to report sats.
Their adhoc collection of Nostr servers that come and go with no concept of synchronized storage are a sorry mess.