Whether or not it turns out to be the case, I'd consider comments like those to be jumping the gun at best and trying to stoke strong reactions at worst. We'll be able to delve into motives after they catch whoever did this or at least have more evidence on what happened. For the time being best to worry about those who were hospitalized and hope that convention staff are able to learn from this experience to at the very least have safety guidelines available as worst case scenarios if we see it happen again.
Whether or not it turns out to be the case, I'd consider comments like those to be jumping the gun at best and trying to stoke strong reactions at worst. We'll be able to delve into motives after they catch whoever did this or at least have more evidence on what happened. For the time being best to worry about those who were hospitalized and hope that convention staff are able to learn from this experience to at the very least have safety guidelines available as worst case scenarios if we see it happen again.