Health care datasets have significant overlaps that would prevent AI from being error-free. In the past decade, AI’s success has led to uncurbed enthusiasm and bold claims—even though users frequently experience errors that AI makes. An AI-powered digital assistant can misunderstand someone’s speech in embarrassing ways, a chatbot could hallucinate facts, or, as I experienced, an AI-based navigation tool might even guide drivers through a corn field—all without registering the errors.