I can't tell you how right you are. I used it in power outages" Sometimes cell signal goes down " where you look at your phone and realize ok well I have no backup plan.

I think this is really cool.
But..
What it is: low bandwidth literal physical replacement of internet infrastructure. Often seen as a very extreme manuver.

Meanwhile: there are various overlay projects like i2p which, unfortunately, create new internets which [almost totally] reliance on the old internet. But they do cooler shit.

This is not a replacement for the Internet. It's currently basically just a low bandwidth local chat app. You could maybe run more complicated protocols on top of it, but it's not going to replace what we're doing right here right now.

It's a great experiment on LoRa though. It could lead to more complex networking. I'm trying to figure out what to do with it right now.