Because in the acronym AI only one letter is true - Artificial, and Intelligence is just buzzword. They just can't do proper tailoring of news feed to you, so a

Because in the acronym AI only one letter is true - Artificial, and Intelligence is just buzzword. They just can't do proper tailoring of news feed to you, so as long as ADs are prioritized and the feed is not entirely atrocious they just don't care.