My son was turned down for the peer support job he applied for. He's pretty discouraged. It was at his old mhc, and I do wonder if his reputation there hurt him. There was a least one very vocal person there who believed he was dangerous. She kept saying he'd been arrested once with a gun in his possession. It just wasn't true; he never had a gun. But she was convinced of it, so ...
Maybe getting turned down for this job is one of those unanswered prayers that turns out to be a blessing. If they're going to prejudge him based on how he acted when he was at his worst (and even add in stuff he didn't do), then it probably wouldn't have been a healthy environment for him anyway.