"This incident was avoidable," said Bruce Both, president of the United Food and Commercial Workers Union Local 1500, the state of New York's largest grocery worker's union. ..."

Let me see of all the Walmart stores in US and this happened at only one. Not sure how avoidable applies, since it does not seem to run wild at all the stores. Then I would agree with you if it was happening at a bunch of stores, otherwise I do not