I bought a rm2 a while back but abandoned it when I discovered it had extremely weak security: no fde, a weak remotely-resettable 4 digit pin, no local file syncing (doesn't appear as a mass storage device when plugged in as a usb, doesnt support standard file transfer protocols), non-e2ee (!!) cloud syncing (their company can see my notes unencrypted). Now I use an android tablet that I locked down + synching and i…
But it does mean that they deliberately exclude bells and whistles that you would expect from a general-purpose software device. Though IMHO with every added feature, they are scope-creeping away from the spartan value prop.
FWIW the USB exposes it over a virtual network which lets you do fun stuff like SSH. But that's for fun, not serious.