Sorry, I've never seen this perspective, why do you want the smaller ones? The small arrow keys on my MacBook are one of my least favorite parts of the keyboard.
Thinkpads also do this right, and have a way better keyboard layout than macbooks actually :)
The problem I have with laptop keyboard is that the arrow key height is too small, and the cluster itself is too crowded to sit my fingers on comfortably when using arrows. I want the arrow cluster to have full sized keys.
I'd much rather see something like that, going back to Fn+up/dn makes me feel like a caveman.