Thing is, the shiites are just as monsterous, or moreso, than the sunnis.
This is just evil killing evil.
There's no upside to this at all. Neither shiite or sunni is any 'friend' to the civilized world in any possible way.
Let's see.....
We've got Islamic murderer, murdering Islamic murderer..
And the down side is?
I'd rather they practiced their murderous disposition on each other -- rather than on INNOCENT bystanders...
Perhaps after they have bled each other white - they will be ready to build a civilized society...
Semper Fi