I agree with _TacoZ. What makes builds look good is a consistent scheme. Redstone, Lapis Lazuli, and any other ore block are not meant to be used on a large scale. They're supposed to be accent blocks meant to add depth and contrast to a build. Collin is not planning to add a new hub anyways.
Yeah I do like it it's just has no personality and it use's the ore blocks to much I have a few Ideas my self if you want to check them out