system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Why is japan so strict against muslims?

Do the japanese just wanna play it safe? How long has it been? Not a good subject to tell a 5yo, i know /:  .
gpt
Japan is extremely strict against all immigration. They have a relatively small country that does not really have enough space for its existing population and they are extremely prideful in their cultural heritage and do not want that to become too diluted by external influences.