I had originally made the comment prior to OP clarifying that it’s about rooting.
I thought that NordicTrak was shipping them with Jellyfin and using it as the video feed for exercises to follow. Thus Commercial use.
However looks like the GPLv2 is cool with it even if it was happening they way I had though.
Kodi has the IR stuff built in from what I remember. At least on windows it did years ago. You just need a “media remote” at one point called windows media remote. It’s a usb or receiver with a regular IR remote.
After a quick google here is a list I found.
https://www.comparitech.com/kodi/best-kodi-remotes/