[debacle]

Just because the effect isn't real doesn't mean the system can't be beneficial. There's hundreds of millions of people all over the world who benefit from a Abrahamic worldview.

The word superstition has negative connotations, but perhaps wrongly so.

Also, some aspects of ego depletion are grounded in science. Just because this particular model isn't valid, doesn't mean there's no valid model for ego depletion.