They have these beliefs mostly because they are extraordinarily stupid. But also an important factor is that they don't want to face the reality in which they live. Elites of all stripes are rotten to the core. If you imagine that if you get da Joooz or da whamen out, everything will be alright, it's more comforting than realizing that only a wholesale replacement of the elite class will do.

You sound like a decent fellow. But know that it's impossible to change the minds of these lunatics. Arguing with them is only worthwhile to show them as the lunatics that they are, and that only if it amuses you.