The "for you" tab is twitter's main algorithmic feed, what you see when you first log in.

If I were trying to push people away from Twitter's algorithm, I can scarcely think of a better way Surely Musk sees the adverse selection problem here? Unless you opt out, you'll only see content from people desperate enough to pay for you to see it.

Or perhaps, based what turns his own crank, he thinks that people go to twitter care about reach when posting but not about quality when reading?