[Myst]

OMG, I just stated in more fundamental terms WHY you want to push PERIOD, whether you are a big stack or a small stack.

Uh, why is it an advantage for a big stack to take 700 chips from a small stack?

Answer: The small stack has less chips to double up with and is forced to push with a mediocre hand.

Uh, why does a small stack want to steal from a big stack?

Answer: To maintain folding equity and keep afloat in the SNG.

And how do both types of stack obtain these goals?

By going all in.