I agree completely, and Oscar Munoz would be smart to recognize that what happened in Chicago was in many ways a reflection of ingrained cultural differences at United. Those of us who have flown extensively over the years have long known that the prevailing attitude among United employees is "Which part of No didn't you understand".
What happened on 3411 could have happened on any airline - it's just that it was more likely to happen on United
What happened on 3411 could have happened on any airline - it's just that it was more likely to happen on United