‘Any time, money and effort whining about them is counter productive.’
Your Trump hate occludes your perception. Trump has said in so many words that besting Hillary is the priority. But he was asked what the future might hold for Cruz and Kasich, and he gave a short, straightforward answer. Whining is the mirror opposite of what he did. Your mischaracterization is egregious.
In my opinion, a better answer would have been: "Cruz and Kasich are irrelevant. What the future holds for Hillary is..........."