If protesting injustice makes you uncomfortable then one of the goals of protest has been met.  Social change always increases tension.  Doesn't mean that it's wrong.  Just that change is a tough town.  
Americans support the Office of the President; big difference here.  Trump has repeatedly dishonored the Office by his bombastic rhetoric and repeated lies and distortions.  Very difficult to honor a man who does not appear to know what he is doing and refuses proper guidance so as to not alienate the entire planet against America.  He is making the world a more dangerous place.