> Like, where were they years ago saying “hey TikTok, we think your design is addictive and probably illegal, you need to change or face penalties.”

That is basically what happened today. No penalties have been issued at this point.

Also Commission had sent various requests for information to TikTok in 2023 before they opened these proceedings in early 2024 (https://ec.europa.eu/commission/presscorner/detail/en/ip_24_...) - this didn't come out of the blue.