At some point you got to throw caution into the bin and publish what you have to say.
This person mentioned Einstein, but Einstein was just the byproduct of a time when people had the balls to publish what could be perceived as extravagant theories.
Einstein was the one who got it right, but you don't get to hear from him if you don't create an environment in which people like him also felt the confidence to publish stuff that could be considered controversial.
People say necessity is the mother of invention, well right after that there's the feeling of being the only one who gets it and that all the others are wrong/clueless.
Competitive arrogance is right there at no.2