Polarization and misinformation are inherent flaws of free speech, the advents of cable TVs and internet only amplified them.
But you don't need to act like the Politburo of the Communist Party to fix them. There may be solutions without fundamentally underming the value.
How about teaching kids critical thinking and how to differentiate misinformation in schools? https://www.weforum.org/agenda/2019/05/how-finland-is-fighti...