Maybe it is just the circles I run, but any Android hacking/opening still carries the “rooting” connotation, even if it’s not the fundamental access rooting purely refers to.

It runs Android 9

Sorry, I should be more precise - this is post “rooting” the giant Android tablet attached to the damn thing.

https://geekyschmidt.com/2024/07/31/Treadmill-Hacking/