[throwaway22032]

The issue with this is that inevitably the locked down devices, which will end up being 98%+ of the market, become required for ordinary living, because no-one will develop for the 2%.

Open hardware is essentially useless if I need to carry both an open phone and a phone with the parking app, the banking app, messenger app to contact friends, etc.

[charcircuit]

For security reasons it makes sense for them to be different devices. People and services may not want to allow insecure devices to communicate with them.

[immibis]

Why? It's not like the insecure device doesn't have my identity key on it. If I program it to spam people, I go to jail for spamming.