Or people are just trying to not be reminded every second of their living lives that there's one conflict or another going on. TikTok is made in China and used worldwide. Not many things are relatable and relevant to a world wide audience.
Not sure what you mean about it not being relatable to a worldwide audience. I see mostly US content in English and a bit in Spanish, but the algorithm will quickly adapt to show the user content from whatever regions they are interested in.