Your argument again misses the issue of security. Yes, tariffs hurt efficiency on a global scale and they hurt consumers in your country (as they now will have

Your argument again misses the issue of security. Yes, tariffs hurt efficiency on a global scale and they hurt consumers in your country (as they now will have to spend more to get the same goods they could have get cheaper). Creating or keeping less efficient industry gains in scenarios where foreign actor you depend on for imports stops meeting demands (either on purpose to hurt you or if disaster like a pandemic hits). It's a trade-off between efficiency in a perfect world and security in a real one.