2.5 million - 200,000 years before the present, most likely with the span of 2 million years, we evolved from animals. If we give that kind of time to our present, what will we achieve for the next 2 million years?
Our consciousness developed from our intelligence by circumstances within 200,000 years before the Stone Age. Your dog, in case of evolution, just need that kind of time. But unfortunately we were the first, so we don't let them until we understand the gap.