That may well be the case, in overall strategic terms. I wouldn't be surprised though if there were small pockets in KSA, here and there, quietly tithing to ISIS. Once again, no evidence of any such activity, only my cynical, jaded view.
The thing to do is to cut the money flow to ISIS, i.e stamp on Saudi Arabia where most of the money comes from (allegedly). Obviously no proof of that, only HIGNFY, lol. The whole thing stinks in any case - Syria, Iraq, ISIS, Iran, Israel - we get fed what the powers that be want us to see. Who...