Correct. In fact, it is Creality themselves who are providing this “root” means and it is nothing more than pseudo freedom since you are still bound to “their” Klipper.
Once they decide to drop their support for the K1 you will be f§$!§d unless some interested developer steps up and make the mainline Klipper or some fork compatible with the respective Creality model.
If you are interested some more blurb on this topic here: Importance of Open Source in 3D Printing and the Consequences of OSS License Infringement