- Denial of the science of sex differences
- Denial of the science of intelligence differences, the relevance of intelligence in life outcomes and how heritable it is
- Belief without evidence that black/white racial differences in outcome are completely due to racism and not partly due to a byproduct of cultural differences
- Anti-nuclear sentiment that wildly exaggerates the risks of nuclear power
- Historical revisionism (e.g 1619 project and NYT begrudgingly making stealth edits)