AI pessimist view.
Even if AI gets smarter it will still be agreeable, and people will use it to more confidently reinforce thier stupider ideas, especially in areas where they lack the knowledge to know if they are right.
Even if this can be solved, technically, people won't want to use the model that says they are wrong, so they will choose the glib lies that reinforce their beliefs.
Freedown of speech forces people to think they may be wrong, but freedom of association lets people avoid this. AI is going to be internet hug box echo chambers at an unbelievable scale.