It is a vast oversimplification (IMO) to say that Vincent got bumped due to age.
Differences btwn Vincent's situation vs. Karen's:
Vincent won silver at Nats. Karen won gold.
Plus the men have only two World slots. The ladies have three.
If the men had three slots, it is very possible that Vincent would have been the third man.
Vincent's entire senior international experience consists of the SP at Golden Spin. He withdrew from the FS.
Karen has much more senior international experience than Vincent.
Karen has been to four senior GPs; to Four Continents; and to four Challengers.
http://www.isuresults.com/bios/isufs_cr_00034366.htm