Being smart and educated does not protect you from confirmation bias: the tendency to only take in new evidence, that aligns with your currently rooted beliefs. On the contrary, smart people can also use their cognitive powers to justify what they already believe (https://papers.ssrn.com/sol3/papers.cfm?abstract_id=2182588).
More than knowledge itself, curiosity is a trait that can help you fight confirmation bias (https://papers.ssrn.com/sol3/papers.cfm?abstract_id=2816803).
Read more: “How curiosity can protect the mind from bias” https://www.bbc.com/…/20160907-how-curiosity-can…
Confirmation Bias