I don't think you have the whole story. The father didn't exactly go on the floor of the Democrat Convention, here. And even if he did, police cannot stand idly by and allow public assault on a three year old girl. I'm sorry. The question I and others have is - why - doesn't Phil Parlock press charges against this goon? I think that's what people are wondering.
I really don't want to believe that some people are so eager and willing to use their own children as political props, but we know they do. If that's what this one turns out to be, I can't say I'd be surprised.
I have sympathy if he is just plain dumb, but he doesn't appear to be a clueless dimwit. He could be just another believer in the "end justifies the means". That would make him no different than any idiot who would bully a three-year-old or kick a puppy. How fitting, then, that he should participate in the same rally as union goons.