These are all devils advocate answers. None of these are things I would spend a lot of time pondering if I was building a spice rack with the exception of #2 if

These are all devils advocate answers. None of these are things I would spend a lot of time pondering if I was building a spice rack with the exception of #2 if I had kids which is solved with a single extra screw or a single piece of 3m style adhesive strip How many people spend their free time modifying their spice racks. I'm sure you can find some webpage of someone who has this as a hobby but let's go with less than .01%