Linux phones in general are only really good for a secondary phone at the moment. You can't use it as a primary phone for signal, battery life is pretty bad on most Linux phones, and many report huge issues getting the camera to work.

That being said, though, the Librem phones are nice for security with hardware kill switches and a Linux OS. I just wouldn't daily drive one in their current state personally.

The first thing that popped into my head for no apparent reason: Phantom Secure