How could that have really come to be a surprise at this point, when we've been struggling for decades with the policy outcomes that aren't being met? How did it take until 2016 to have it come to light that data isn't collected, or that there are difficulties, indeed, such that you are pouring cold water on expectation going ahead and that there are maybe intractable problems of collecting data?
On October 29th, 2018. See this statement in context.