GIF: More terrific Knicks transition defense

Of course the New York Knicks are losing to the Milwaukee Bucks through three quarters. Of course they are.

Not even the cellar-dwelling Bucks possess the ineptitude to not take advantage of the Knicks, specifically their transition defense.

[Courtesy: FSW]

What is Pablo Prigioni doing? Why does J.R. Smith decide not to actually defend and just poke at the ball instead? Why does Amar'e Stoudemire concede the layup? Why, Knicks, why?