The psychology of fairness: Why some Americans don’t believe the election results

"...the act of discounting the fairness of a decision process when a decision violates one’s identity is not limited to one political party. For example, after Brett Kavanaugh was confirmed as a Supreme Court justice, Democrats tended to believe that his confirmation hearings were unjust, including the withholding of important evidence. Given that anyone can fall victim to this bias, several things can be done." - The Conversation