A Global news report just on said the YVR-YYZ load factor was approx 20% while the Hawaii loads were 80+%, but despite those numbers the Harmony braintrust decided to pull the plug, though I'm another one appreciative it was done a la Canjet rather than C3.
BTW, seeing as nobody has provided it yet, here's the "rumour" thread:
http://www.flyertalk.com/forum/showthread.php?t=613772