They don’t even have the right to be here, let alone vote.
Don’t even get me started on how one district in CA can inflict something like NP on the rest of this country defying all logic.
Democracy (or a Republic) only works if people believe that the process is fair.
People are more willing to go back to work and pay their taxes when they know that an election was fair (even though their guy or girl lost) — it is the easiest way to keep the peace between the masses.