You are trying to convince me that because something is not white anymore, it has become black. And I am trying to convince you otherwise. Both of us are unaware that there is nothing black and white anymore.
Suppose you are a visiting mental asylum, just for curiosity. The patients there start conversing to you, after a while they start saying absurd things, even to the extent of abusing you. Would you engage or ignore them ? The answer tells you if you remain a visitor or become one of them.