We don't have similar requirements for software unless its related to regulated industries like healthcare. Its all well and good if the idea here is that people would like more regulation, but that regulation doesn't exist today and the EU move here seems like overreach.
If I'm not mistaken the DSA is focused on content moderation and how content algorithms work. This article describes EU concerns having to do with whether or not the app is addictive, I'm not really sure if that falls under how the algorithm works so much as how users respond to it.
That said, this app and so many other social media apps are trash. People should be choosing not to use them regardless of regulations.
A tweet really doesn't say if the DSA applies here though, politicians attempt to misuse laws and regulations all the time.
My reading of the DSA is that is is primarily about disclosure of how content algorithms work, not the impact on users. I could very well be wrong there, but a tweet claiming they want to use the DSA as enforcement there doesn't really clarify anything unfortunately.