First of all, you can use the search to find tiktoks that aren't cringe like you can do with literally anything else, and you can use block and not interested buttons
Second of all, nobody does dangerous challenges anymore in fact there's more videos warning you not to do them then there are videos doing it
Third of all, the lower attention span is also on YouTube shorts as it's the exact same thing except that it's YouTube
Fourth of all, all social media spies on you, it's not just TikTok
Fifth of all, TikTok doesn't even allow underage girls to be on the app so they can't be sexualized because underage girls aren't allowed on the app on the first place