It does, it just doesn't work alone. There are other triggers in your body for growth that work along with it and determine how "receptive" you are to it for lack of a better term. Additional HGH in your early to mid teens while most are still rapidly growing will cause additional growth. A few years after that your body is no longer receptive to getting bigger that way. You can add muscle, put on bone density in response to stress, etc... but your frame isn't going to grow the same way it does when you're younger.

The TikTok AI aggressively pushes what you interact with. If you're seeing a lot of sexual content it's because you're watching it when it pops up or otherwise interacting with it.