In many cases, a PR crisis happens as a result of something someone already said or did, but there are times when the consumer public can watch a PR catastrophe happen in real time, experiencing the chaos as one bad decision leads to a situation spinning out of control.
Consumer PR Crises That Spun Out of Control

In many cases, a PR crisis happens as a result of something someone already said or did, but there are times when the consumer public can watch a PR catastrophe happen in real time, experiencing the chaos as one bad decision leads to a situation spinning out of control.