I think there is some evolutionary psychology at play in people's bias against "Crazy New Ideas". A human hunting and gathering on a savanna with a crazy new idea is likely to be killed by a lion or starve. Sure the new ideas sometimes were breakthroughs but the idea-haver's peers likely experienced strong selective pressure to wait until there was good evidence that an idea was unlikely to get one killed before endorsing it and practicing it themselves.

In modern times we should feel more safe to have "Crazy New Ideas", we probably need them to solve many of the problems our world faces today. But we are biased against new ideas since our brains have evolved to see them associated with negative outcomes like death by lion or exile from the tribe. There is a lower risk of death by big cat today so people should feel more willing to have an celebrate new ideas.