What I saw was a little man a little police man over reacting to a bunch of kids.
What I saw was a bunch of teenagers who showed no respect for authorities asking them to disperse. Those teenagers expected police officers to react the same way their parents react to disrespectful behavior and just do nothing. That doesn't keep police officers safe to go home to their families, and when agitated crowds are not dispersed bad things happen like people getting seriously injured and killed.
Another thing I saw was that no one was seriously injured the result of the situation or police work.
Edited to add: I also saw some teenagers who respectfully complied with requests made by officers. My hat's off to their parents who taught them to act this way.