If you're learning to tie your shoes, do you look to Hitler for your example? NO.
If you're looking to win people over through charity, do you look to Hezbollah as your role model? NO.
For a smooth-talking snake oil salesman, Romney sure talks like an idiot a lot.
Yes, one could in total morality. Shoelaces are not akin to genocide.
You look to whoever has been succesful at it. And if it's your enemy, so what? Since when is learning from your enemies a bad thing?
In the Middle East, Hezbollah has been very successful at it, so it's perfectly reasonable to try to learn from their success.
Same thing in WW2. The Nazis had very effective tank tactics. What are you going to do, tell Patton and Montgomery they can't adopt some of those tactics because the Nazis used them?
The stupidity of your reasoning is nothing short of breathtaking.