Is this guys sentence justified, or should it have been longer?

[William Treseder]

I'm quite sure this could have happened 50, 60, 100 years ago, but we didn't have phones, social media or police body cameras to find out about it.

He won't be the first man ever to taunt a dying police officer.

You are quite right. The world has always had it’s fair share of despicable cu*nts. But you surely can’t dispute the fact that respect is being lost all over the place.