Haven't they already won that war? USA created ISIS, gave ISIS lots of weapons and logistical support, then assassinated the guy who beat ISIS while he was in d

Haven't they already won that war? USA created ISIS, gave ISIS lots of weapons and logistical support, then assassinated the guy who beat ISIS while he was in diplomatic talks with supposed USA ally Iraq. In response, Iran says "we will destroy buildings at the following addresses", allows time for those buildings to be evacuated, then their guided missiles destroy exactly those buildings. USA military brass then downgraded Iran from their "let's go to war now" list...