What they said are "guidelines", the Montreal Convention and APPR (and tariff) go beyond that. The actual limit is about 1300 SDRs ($2300 CAD) for expenses incurred, and then the same amount if the bag isn't found within 21 days. Don't let WestJet cap you with misleading information, the CTA should make this an open and shut case if WS won't pay. I wouldn't buy luxury items, but reasonable and customary replacements for what's in your bag should be paid out.