Well, don't be surprised if people have a bad response to someone being rude/blunt/argumentative.
If you want to change minds you're going to need to work on social skills, too.
Based on what you said your goal is I think you're going to need to grow a thicker skin if you don't plan on changing your approach, or you'll need to work on your presentation and conversation skills if you want a more positive reaction from people.
Trump probably doesn't know where he is right now. Have you seen him lately? He's a barely coherent geriatric.