If there's something else already out there in the universe, it would almost certainly have puts limits on our growth of intelligence. And the reason it would have put limits on us is because it doesn't want us to grow so intelligent that we would one day maybe take away their superpowered intelligence. Whatever advanced intelligence evolves, it always puts a roadblock in the way of other intelligences evolving. And the reason this happens is so nobody can take away one's power, no matter how far up the ladder they've gone.