You just need the power to deal with the weather. There are days when there are reasons, in Inuvik or Tuktoyaktuk, for their taking big cables and strapping down the houses. There are days when it just isn't a good day. But that is the reason we designed to at least match manned aviation in the flight profile and then push those envelopes.
On December 2nd, 2014. See this statement in context.