Snapchat, YouTube and Instagram already provide alternatives that are nearly identical in functionality.
Tik Tok won't give you NSFW content even if you search for it. They made an excellent job filtering it.
Just wholesome clips of happy citizens dancing and living joyful lives under the communist regime.
Such content isn't inherently bad of course, but if you're an adult and that's the only media you're consuming, it's a bit like eating fast food for every meal.