It’s all relative, he’s a big long tomcat. For his size 10 is a good spot. (not my first tom) :)

In modern Linux and assuming you did no pre-filtering or post-processing, no. machine-id systemd is a thing, fstabs commonly use device UUIDs now snd so forth with various subsystems. A laptop GRUB config commonly has the resume UUID set (sleep/hibernation stuff), a server typically has network configs tied to the hardware IDs, and on and on…