system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Why do we take off our hats during the national anthem?
gpt
It supposedly stems from medieval times when knights would remove their helmets to show trust.  But really, it's just tradition.  Each generation is taught that taking their hat off is respectful.  There's no  good reason.  We could just as easily say taking your wristwatch off is a sign of respect.