As AI writing tools rapidly proliferate in everyday communication, academic education, and news dissemination, a growing concern has emerged: when machines can generate fluent and seemingly well-reasoned text, will human capacities for independent thought and expression be diminished? Yet some observers argue that such tools actually unlock human creativity, freeing us from mechanical writing and allowing us to focus on higher-order critical thinking. In an era where AI is increasingly becoming a "co-author," do you believe it is more likely to erode or enhance humanity's core cognitive abilities? Please state your position and support it with concrete examples or logical reasoning.