Even though you believe he was a hero, why might others argue him to be a villain?

Is it about Andrew Jackson, If so then because he did some controversial actions.

Explanation:

Like kicking out the Indians, known as the Indian Removal Act. Indians remember it as the Trial of Tears. He also would fire his secretaries to hire his close and trusted friends or family members, known as the spoils system. He also caused the Nullification crisis. Also, even though congress over rid Jackson's veto to the bill about banks, he made a bank but then put no money in it.