Younger male and liberal is the majority on Reddit. That alone would already skew the sub towards a population that feels less vulnerable or do not worry as much about public safety.

The fact that so many lack the empathy to understand the reality of others is probably related to something else, though. Because I know many young liberal men who have a lot of empathy.

>About seven-in-ten (71%) of Reddit news users are men, 59% are between the ages of 18 and 29, and 47% identify as liberal, while only 13% are conservative (39% say they are moderate).
>
>In comparison, among all U.S. adults, about half (49%) are men, just 22% are 18- to 29-year-olds and about a quarter (24%) say they are liberal.

https://www.pewresearch.org/journalism/2016/02/25/reddit-news-users-more-likely-to-be-male-young-and-digital-in-their-news-preferences/