Too busy keying Teslas and screaming that anyone who disagrees with you is Hitler? LOL. Here's the actual link:
https://nypost.com/2016/06/09/science-says-liberal-beliefs-are-linked-to-pyschotic-traits/
Basically, liberals are neurotic, authoritarian, risk-taking, impulsive, and if you dive into the actual study itself, the main issue is that they regularly fail to see a connection with actions and consequences. Essentially, they believe that they can demand something for nothing and there will be zero consequences.
This tracks. Especially today.