The proposed idea for this was to make it easier for people to access gear with less mulling. They should have implemented it as shared and stopped acting the bollox by instead billing people mad money for something which doesn't solve the problem it was supposed to solve. It just attempts to squeeze more cash out of the player base. Space was never a problem, people have been muling for 20+ year with little complaints, for 1 extra yoyo I can get a new mule with 160+min extra space, so why would you bother?