You don’t seem to get it. You can complain about the peace shirt all you want, but many of the comments were truly vile, disgusting racism and hate-filled posts directed at the child. THAT is the problem here.
There is no need to attack a kid, and JimRob clearly said it needs to stop. Attack the shirt, the parents for letting her wear the shirt, whatever, but she’s just a kid. Leave her out of this political bloodsport.
Here are some acceptable alternatives however:
(It's not like we don't have a sense of humor).