There is science behind this kind of persuasion. Psychology tells us that a great deal of average people’s self-image comes from their social identity – the group or groups that they see themselves as a part of. Social identity divides the world into us and them, the in-group and the out-group. Social identity can include something harmless, like a favored sports team. But used to support fascism, social identity politics is about a favored race or ethnicity. Being part of the group makes followers feel good inside. And crucially, followers also enhance their self-image by blaming, being prejudiced against, and discriminating against their out-group.
it’s a key part of fascism
https://publicleadershipinstitute.org/2022/09/07/the-three-pillars-of-fascism/