Comment by nullc
I've also found meshtastic to be pretty ineffectual, in both urban enviroments and in totally rural ones where my devices are the only devices for >50 miles.
I've given more study to the latter, and I think it's the lack of store and forward reliable transmission. The messages goes out once and if it doesn't make it.. too bad so sad. The whole ecosystem strongly assuming you have internet access is also a real bummer.
If anyone is looking to improve it or develop a better alternative, I did help create a primitive you should consider using: https://github.com/sipa/minisketch