This is the webdev equivalent of the inside of a Mac being tidy and attractive (black PCBs!). Sure, it doesn't matter, but if you want to build a brand based on attention to details then these are exactly the kinds of details you need to consider.
Exactly what I was going to say. Attention to detail is noticed by people, to the point that they may not necessarily even consciously know why they like one product over another when in reality they just subconsciously are attracted to products that are simply more polished.