It’s not just Gen Z. I have owned several cars over my life, and have been and still am a licensed driver, but nowadays I don’t own a car and don’t especially want one. Owning and driving a car is expensive, stressful, and dangerous. Public transit certainly has plenty of drawbacks of its own, but it’s much cheaper, less stressful (to me, at least), and carries a significantly smaller risk of causing my sudden violent death.