"I do admire her intervention on behalf of a stranger against an obnoxious (probably racist) act." Over-reaction. The lesson shown here to kids and those watch

"I do admire her intervention on behalf of a stranger against an obnoxious (probably racist) act." Over-reaction. The lesson shown here to kids and those watching, if you feel others are being threatened, physically strike back. There is no immediate threat, words would have done the job.