Small chunks of debris flinging a few hundred feet from a rocket are well within the realm of anticipated ordinary risks of any rocket launch. It is effectively

Small chunks of debris flinging a few hundred feet from a rocket are well within the realm of anticipated ordinary risks of any rocket launch. It is effectively a missile or bomb with the amount of fuel that's loaded into it, it could do far worse like explode on the ground. That's why observers have to sit like 2-3 miles away.