My understanding of the DSA is that its focused on content moderation and disclosure of how content algorithms work. Whether the content is addictive really isn't directly related, that's a measure of how users respond to the content rather than how its fed to them.
That said, this app, like so many other social media apps, is trash. People should be choosing not to use it regardless of regulations.
1. Providers of online platforms accessible to minors shall put in place appropriate and proportionate measures to ensure a high level of privacy, safety, and security of minors, on their service.
