> "The test of a first-rate intelligence is the ability to hold two opposed ideas in mind at the same time and still retain the ability to function." - F. Scott Fitzgerald

Opposed ideas does not always mean that both ideas have the same level of validity.

Some ideas are provably wrong. "Depolarizing" allowed climate change denial and anti-vaxxers, for example, to gain a following because we didn't stamp them out quickly and strongly.