My kitchen's pink, like skin-tone pink, and I lowered my spice rack so it's eye level - it's true! - and my phone, so I can reach it when I fall, it's right there. ↗
Walt understood all of those things, and even common things about people. For instance: Usually you get your idea of what kind of day it is by looking at the horizon, because the horizon is your eye level. So what Walt did is to eliminate the horizon. ↗