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So with AA, KK, and QQ you're open pushing? But AK you're not?

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All this is of course caveated by situation, stack sizes, position in the deal, position in the money, etc.

But I'm "typically" not open pushing preflop with any of these hands unless there are extenuating circumstances.

With AA and KK, I want one or two callers so I can extract a penalty from them for playing against a monster.

With QQ, I want to see a flop for a reasonable cost, because there is likely to be at least one Ace and one King in a caller's hand and odds of at least one coming on the flop are roughly 2-1. I want to have the option to get away from QQ if necessary, even if it hurts. Better to be hurt and alive, than stuck drawing to 2 outs twice for all your marbles.

I'm not open pushing with AK primarily because it is highly likely to be a dog to any calling hand. This is a hand that I typically want to see a flop with, and the more out of position I am, the cheaper I want the cost of the flop to be.