Indviduals with proper self-defense training can put down attackers no matter the size difference, with little to no damage done to the victim. Ask any defensive trainer, or a student of such a trainer, and you'll get the proof you regularly state on this page that this page lacks.
Let's see, how many people get hurt in dojos with pads and gloves and all? No pavement or curbs or walls or corners to run into? Not actually trying to do damage? And yet these people...
Ah, hell, they're either freaking insane, or knowingly lying. And if it's the latter, anyone who takes their advice and gets hurt or killed, the blood is on the Brady clowns' hands.
One more thing: notice that interesting end with little to no damage done to the victim ? Apparently the attacker has become the VICTIM when they're stopped.