Duolingo is very much on the Enshittification path, seems like they fired a number of translators and have the rest just proofreading AI.
For the interested, here’s the place where you can request your personal data and delete your account
Anecdotally, a friend who’s pretty handy at languages uses more Memrise than Duolingo now. Similar sort of setup, but with a different style of delivery - more visual cues and a better repetition approach.