Nope, and I'm not even sure it will have an effect on the majority of westerners' thinking because choosing to disassociate themselves from what is obvious by choosing to believe what lets them happily emote is the rule of the day, a blindness that comes from choosing to believe a variety lies.
For instance, we hear that America is indispensable from someone who both by past writings and speeches, and by recent actions from a position of power, clearly does not believe that she is indispensable, and worse yet, has said that it needs to be changed on a fundamental level.
Yet, much of the population chooses to ignore what was already declared and displayed. That keeps them from being able to ask appropriate questions, such as why the statement would be made by someone who does not feel that this nation is indispensable.
Moreover, related questions could be asked. Why make that statement when history has proven the lack of wisdom in saying such a thing? Why make that statement in the face of our Founders' warnings re the topic? What else is at the root of the thinking behind that statement?
No, in spite of the disgust people generally feel about the violent executions, societal responses to the violence of beheadings do not indicate change is on the horizon. People are not seeking truth because it's easier to believe what makes them feel good--again, lessons not learned from history's examples.
To be fair, many people feel powerless and hopeless in the face of what is being done to our county by leadership that is a combination of weak, deceived, rife with under-the-table agendas, and set to protect their own political class, and sadly, they don't know how to survive their feelings much less how best to respond to what is happening.