The working class is the largest voting block their is. How do you keep them reliably voting against their own economic interests and maintain your position at

The working class is the largest voting block their is. How do you keep them reliably voting against their own economic interests and maintain your position at the top of the economic ladder? Turn one half against the other and divide and conquer. It’s pretty easy to push people into fearing some ‘other’ and tap into that inherent tribalism we have in our primal instincts.