Rats are surely around. This will be evident from droppings and chewed vegetation if one looks closely enough. Some people will notice them; others may not or possibly choose not to.
I used to go hunting with a man who had an unbelievable eye for wild game. I remember on a deer hunt challenging him when he said "There's one." which I could not see. We went over where he said it had been and there was the steaming evidence.
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"No one is more hated than he who speaks the truth." Plato
“To argue with a person who has renounced the use of reason is like administering medicine to the dead.” Thomas Paine
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