Why had Richard 3rd become unpopular?

Richard III became unpopular due to a combination of factors, including his usurpation of the throne from his nephew, Edward V, and the subsequent disappearance of the young princes in the Tower of London. His rule was marked by a perception of tyranny, as he employed ruthless methods to eliminate rivals and consolidate power. Additionally, his physical deformity and portrayal by Tudor historians further tarnished his reputation, making him a symbol of villainy in English history. These elements combined to foster widespread resentment against his reign.