Yes. It's a complex question, and you and I have discussed this in the past. What I will do here is be as brief as possible.
Mr. Henry alluded to some of the problems with the mountain pine beetle in terms of what it is. Is it invasive, or is it native? In the context of Jasper National Park, all scientific evidence suggests that it's invasive, in which case it's not a natural disturbance agent.
Banff treated it the very same way and it was very effective about 10 years ago, in terms of slowing the spread down into the Bow River valley.