It is easier for some people to compartmentalize everything bad that happens if they attribute all those bad things to a single source.

they will litterally blame everything on "the enemy", for god sake , russian being an asshole is not the sole source of all thing you dont like.

btw , I like how some people often just band all people they dont like on the same "team" as if you could just brush the same wide area of different ideologies , actions and disagreements on the same tag.