I certainly dont.
A few were idiots. But overall the good from veishea far, far outweighs the bad. A crowd of a few hundred with a small percentage of that actually causing damage, while embarrassing for the city, should not outweigh the thousands that enjoy the veishea festivities, from ames residents and families to students that were not involved in the riot to alumni that come back to veishea every year. It sounds more like just better security is needed for the event, though maybe they werent expecting problems on freaking tuesday.
Hell, even in cases of property damage, id wager the city comes out way, way ahead from all the other business veishea drives. Hotels and ames restaurants have to make a killing (i know hotels are way marked up and many are completely booked up)