Politically-engaged Redditors tend to be more toxic – even in non-political subreddits::A new study links partisan activity on the Internet to widespread online toxicity, revealing that politically-engaged users exhibit uncivil behavior even in non-political discussions. The findings are based on an analysis of hundreds of millions of comments from over 6.3 million Reddit users.
It’s not a thing. The OP is giving an example of how their media misleads them and uses fear-mongering about differences in people to keep them in line.