So if we destroy him, it empowers Iran. If the Iranians’ ambitions are destroyed, it empowers Al Baghdadi and ISIS. Either way, we lose, thanks to our feckless leaders. Let Iran destroy ISIS and let ISIS smash Iran in the process. Our only job is to let them kill each other and see if we can’t make their war with each other longer.
No. Shoulder the load, kill them all, and finish it. Let God sort them out. Don't try to punt and play odds. That's what losers do.