With every tech company now using "AI" recommendation engines, users only see items that reinforce their beliefs. These tech platforms could really benefit society by simply showing opposing viewpoints once and awhile instead of constantly reinforcing tribal beliefs.
Falsehood is not equal to fact. Favoring the truth but expecting even a human process would be foolish, an algorithic one even more so.
Much important societal change starts out as a fringe theory. Remember that for much of history the idea that women should not vote was considered a relatively undisputed fact.
Sunlight is the best disinfectant, society has never been successful in trusting some oracle or government body to determine what is truth. Why do we believe/trust the large tech companies to succeed in this?