Why does Trump believe every American who doesn’t vote for him has done something illegal?

I have a few legitimate questions for Trump supporters and the Republican-Trump party, starting with this? Why do you believe that the millions of Americans who vote for Democratic or 3rd party candidates for elected office are committing fraud, voting illegally or shouldn’t have our votes counted because you think we’ve committed a crime due to our voting choices?

Second question, why do you believe that you’re the only Americans who can cast legal votes and all other votes are…