In what universe is it appropriate for a Governor General to deride people for their beliefs?

On Wednesday night, Gov. Gen. Julie Payette appeared as keynote speaker at the Canadian Science Policy Conference in Ottawa. From her podium there, she took on everyone from climate-change deniers to religious observers:

“Can you believe that still today in learned society, in houses of government, unfortunately, we’re still debating and still questioning whether humans have a role in the Earth warming up or whether even the Earth is warming up, period,” she said.