If they are perfect at hiding their hand, we wouldn't be able to tell.
But that kind of thinking is akin to solipsism, a mental dead end. What if you're the only real person and the rest is simulated or a dream? Would you be able to tell?
What if god left all those dinosaur fossils as a joke, and big dinos never really existed? Well, it's possible, but it's a thought-terminating idea, so best not considered.
But that kind of thinking is akin to solipsism, a mental dead end. What if you're the only real person and the rest is simulated or a dream? Would you be able to tell?
What if god left all those dinosaur fossils as a joke, and big dinos never really existed? Well, it's possible, but it's a thought-terminating idea, so best not considered.