"They" being his adoring worshippers who are able to ignore everything around them and focus on their prize. They are deaf and blind to anything and everything negative about The Donald John but "how great thou art"...the "thou" being their revered Donald John. It doesn't matter what proof there is or what guilt there is and what harm is being done they are steady and determined to continue providing aid and comfort and cover. They are, therefore, all co-conspirators and guilty for harboring aiding and abetting their man. Proudly they do it. Certain they are that only they are in step and the rest of the world is not. I wonder where that kind of certainty comes from in light of nothing substantive/rational to support it?