Authoritarians on opposing sides are socialized to hate each other despite shared psychology

Evidence

With all these things in common, why then do they hate each other? They were raised to and, after all, they are authoritarians, just as the fundamentalist Jews and fundamentalist Arabs studied by Rubinstein (1996) in Israel are. — Bob Altemeyer, The Authoritarian Specter, 1677

Categorization

• QUESTION: Worth chasing: what specific mechanisms socialize opposing authoritarians to target each other while sharing the same disposition?
• XREF: Explains the mirror-image dynamic described in Parable-style and conflict literature; parallels the vault’s claim that Christian-nationalist authoritarian aggression is learned rather than innate.