Who cares who owns this inane service? It is useless, as far as tools are concerned.

The service is nothing more than hedonistic garbage and anyone using it is probably a moron who failed to read the terms of service and is now crying because TikTok did exactly what it said it would do:

https://www.tiktok.com/legal/terms-of-use

Surprise, you and your data are the product, again.