The general focus of KIAUH and the Klipper installation instructions are based on the apt-package ecosystem.
Regarding the usage of a laptop, while not being explicitly disapproved, it might pose a few additional challenges like more running background tasks or services that could be detrimental when running Klipper. The recommendation is to minimize as many additional services or background tasks as possible and only use the machine for Klipper. A few additional pointers can be found here: BRLtty / ModemManager - Services Interfering with Klipper