The cause being Russia interfering with our elections
He’s not even a symptom, he’s just an accurate image of the system without its mask on. He is the American ruling class, he is the average American politician, he’s just also too much of a boorish lout to hide what that really means, all the rot and cruelty and predation that the entirety of the ruling class is animated by but will deny to the bitter end and refuse to acknowledge even when it breaches their carefully trained masks.