Okay, I'll go for it:
Look closely at the pulsator. It is perfect. There is no patch, no smear, no line, but totally uniform gold. How is this possible, unless the lid were kept open, the washer never used, and smoke being blown constantly into the machine from all sides with the same force. Now how is that possible?
But Jon sounds sincere in his explanation. What if ciggie smoke is indeed so powerful that it can perfectly dye alien gray rubber into a flawless stunning gold? Why would he keep the truth from us? If in fact he manufactured or somehow procured a golden agitator, wouldn't he admit it so that he would then become more powerful than even Mother Superior, Sister John Combo, herself.