With the word "Yor" in all of the buildings, such as "Yor Manufacture" etc. etc. and "Yor Research" in the actual building names and research tree, it makes that particular tech tree very unfriendly towards creating custom races.
For example. I have made a race that is a synergy of energy and souls. Basically a lost race that lives on through being energy, therefore they are "synthetic" and don't use food. So I used the Yor tech tree which favors that the most.
However, all buildings say "Yor" in it, as well as some tech nodes etc. that breaks the immersion and uniqueness of my custom race, and any others that would like to be synthetic without the use of food, etc. and play similar to the Yor.