I have an InReach, and worked a gig with a bunch of people who used them regularly. Outside their HQ they had a sign reminding them to check their device for messages before going inside, and/or to leave it outside. But then it wouldn’t work in the winter because the batteries freeze pretty easily if just set outside.
I haven’t tested LoRa as much, but with no repeater right outside to relay through walls, there may be more non-obvious everyday patterns which would frustrate users of a keyboard integrated device.
That said, I think a keyboard device would be awesome as long as you know what to expect. There’s some discussion in this thread: