In all fairness here, even many mundane things in the military are classified. So doing something in secret doesn't mean what they are doing some that involves malice. I'm sure there are more reasonable explanations for this. Besides, contaminate the drinking water if you want to spread a disease.
I think you missed the comedy
It wasn't an attack on what he said, it was a laugh at how he said it. ma
nnor is like the house, not manner... They're "doing it" in a secret manor
Then mix in spreading diseases and clear in the sky and naked to our eye... LOLOLOL...