Magik is slippery and dangerous to work with, and failure can have disastrous results. Yet the Sorcerer's continue to ply their art without the benfit of the engines and machines now widely recognized as essential to the making of magik.
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.