What does thte final scene reveal about the opposition to Macbeth?

In the final scene of the play Macbeth, the opposition to Macbeth is revealed to be widespread, with several major characters turning against him, including Lord Macduff, the exiled Earl of Fife, who has joined forces with the English army led by King Edward the Confessor. Macduff is seeking revenge against Macbeth for the deaths of his wife and children. In the final scene, the stage directions indicate that a "large assembly" of Scottish noblemen and soldiers march with Macduff's army towards Dunsinane Hill, where they intend to face Macbeth, reflecting the scale of the opposition to his rule, which eventually brings about his downfall.