On personal level we have health - why can't I have fries and ice cream all day, everyday. That's what any sensible children would choose. Education - why can't I play video games and watch tik tok attention grabbing videos all day. In fact many do.
On country level, why would we want to help Ukraine or Taiwan. Why would we want to reduce carbon footprint. Stuff just keeps working.
Lead pipe worked just fine. Asbestos worked just fine. Smoking was just fine. Until they aren't.
Secondary effects require experience and education. We are not so good at grasping causal relationship when the results aren't immediate.