These are all great examples of how language affects our thinking and decision making. More can be read about this in “Thinking, Fast and Slow” by Daniel Kahneman.
My initial reaction on the “I’m With Her” slogan is that it still places Trump as the primary focus. Pretty much by saying “I’m not with him.” It failed to create a unique messege and instead became more about a reaction or counterattack. Felt like a last resort.