

Not only do they need to exist at the same time as us, they also need to be close enough to make it feasible to travel here and they need to pick us from the countless options that exist. With the vastness of space and the immense timescales, I wouldn’t be surprised if we never get in contact with any other intelligent life at all, even if there’s plenty of it in the universe.
Also, I don’t believe that politicians and civil servants can keep something of this magnitude secret for many decades.
But, hey, I can’t prove you wrong. Who knows.
Judging by the upvotes to downvotes ratio, I think many people have become allergic to the word “AI,” even if it’s not a large language model and genuinely beneficial and applicable in practice. I guess that’s what happens when everything is called “AI.”