As a counter-example, to me being right or approaching truth consistently and in a repeatable manner is much more fun than believing whatever I want to believe.
I know which beliefs I'd like to be true, but self-deception isn't as fun as being right; right as in claims made within an independently validated methodological framework that makes my claims reproducible.
That's isn't inherent, I assume, but learned.
> Teaching will not solve the problem with incentives -
Citation desperately needed!
The, arguably, oldest human system of hierarchical organization called Church would like to have a word with you: a system based purely on psychological and social incentives, nothing else, giving relevance to itself and propagating certain world-views, beliefs and thought-systems.