maybe POTUS was on to something when he said "they say handshakes could be a thing of the past"…
here I can address it for you…
You are applying an emotional reaction to a picture/video on twitter.
The NG is showing they are in support of peaceful protests. There isn't any rioting or looting going on there, so why are you allowing your emotions dictate such a lack of critical thinking?
You must have no other way to get a point across to someone other than being hostile or violent.