Comment by meehow

- Compiled firmware is available on GitHub, packed together with a script for flashing it.

- You can use Meshtastic CLI.

- Docs are in git repository in .mdx format: https://github.com/meshtastic/meshtastic

All "sins" you mentioned are results of trying to be more convenient for users used to web browsers. Current state of web is pretty far from being decentralized, including web3.