Believing something doesn't make it true. Something ACTUALLY happening is the basis for truth. When things ACTUALLY happen they leave behind this little thing called evidence. There is no evidence that non-avian dinosauria survived the K-T event, making it EXTREMELY unlikely to have occurred.
Clarification aside, if you get a hold of that gold-excreting unicorn, you are required to contribute 50% of all profits accrued to the Moderators Retirement Fund of UM.