I have recently come across an idea about the scaling of quality and after thinking about it for a while, I have to agree.
Since I haven't seen any topic like this in the forum, I thought I'll make my own.

What do i suggest?
Instead of linearry scaling the bonuses one gets form higher quality, I ...

I wonder why you didn't go one step further with visualizing the max belt range. While hovering in the range of the matched underground belt, display BOTH max range (blue) and selected range if the belt was placed where hovering (green). See the image. With what you have now you still have the ...