That may be less true if you consider the costs of dealing with the disruptions caused by the behavioral problems frequently displayed by unchallenged gifted students.

But, yes, there's a lot of government policy at all levels that favors focussing on the low end and ignoring the high end of the ability scale -- that's exactly the thing that seems to be the focus of the complaint. So saying that the thing being complained about makes sense because of the exact thing being complained about is, somewhat circular logic.