Here’s a thread with a few pages of people talking about this very thing, and then also a lot of blah blah blah about various house rules:
http://www.axisandallies.org/forums/index.php?topic=36131.0

And here, specifically, was my take on the matter:
http://www.axisandallies.org/forums/index.php?topic=36131.msg1425375#msg1425375

But yes, doing a “netural crush” definitely has its place in the game for both sides.