Miss Honey makes the case here that the Wormwoods’ success and security has been tenuous for years. Because Mr. Wormwood is involved in business practices that are illegal, there’s always been the risk that this move—or worse, like being arrested—was going to happen. So Mrs. Wormwood may have looked secure and successful in her nice home, but in reality, she, like Miss Trunchbull, couldn’t rely on her power or success.