“Biggest Assholes,” Often Middle-Aged Men, Researchers Discover
online.ucpress.edu
online.ucpress.edu
“They Are Such an Asshole”: Describing the Targets of a Common Insult Among English-Speakers in the United States"
https://www.spsp.org/news-center/blog/stereotype-accuracy-re...
Another way to say that, is that bigotries are so difficult to extinguish because they are so often predictive. That is, it may be an adaptive strategy to presume that I am an asshole due to my age and gender, until I demonstrate otherwise.
But "just" does not equal "adaptive".
For example, these "researchers" could have easily made a different "discovery": "Biggest Karens Often Middle-Aged Women"