Sure, that's probably true. They don't need to listen to him, though; elites do. Then elites, through various mechanisms, need to a) communicate effectively to do those who are now disaffected and more importantly b) create conditions where bigotry (and other forms of exclusion) do not overtake good sense because of economic pressures / scarcity / perceived scarcity.
It certainly won't be overnight, but the sooner they start, the sooner we can start fixing things.