The UCC is a medium sized corporation that is slowly but surely growing to become a global powerhouse. It is deeply invested in legal, paramilitary, and criminal activities, and is composed entirely of clones.
Elves are not actually aloof. They are actually extremely family-based and insular, and often intermarry inside their families, making them uncomfortable around those not of their family. Therefore, they shield themselves behind pretended aloofness and coldness until they are comfortable in others' company.