I can poke at OBD and try to interpret values. CAN bus sniffers exist.

You want to force companies to publish and maintain repositories using your preferred toolset?

> I can poke at OBD and try to interpret values. CAN bus sniffers exist.

Ghidra exists. That doesn't mean all software is open source.

> You want to force companies to publish and maintain repositories using your preferred toolset?

Nope. Anywhere will do, whatever is easiest for them, as long as device owners can access it.