According to:
https://old.reddit.com/r/kindlescrib...night/iya7qre/
>RM2 pen works on it.
so I guess I'm getting myself a Wacom One.
This video seems to show a Remarkable Stylus being used on a Kindle Scribe:
https://www.reddit.com/link/z86qu6/v...02bz2a1/player