Dinos died out 65million years ago. 2 thousand times longer than man has been here making tools. it’s absolutely impossible to know exactly what was going on at that time. how do you know there were not tool makers beginning to rise at that time? Maybe even well-established tool makers. Late Cretaceous dinos were getting smaller 58 Year Of Spider Man 1962 2020 Shirt and smaller. Which is exactly what happened with mammals as they began to evolve. they shrank in size, and the brain got larger. The dinos were shrinking.
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When they got blasted. can you say affirmatively that there were no tool users among them? Even better, stage X civilizations could often develop intelligent existence within the fabric of quantum interactions. You can’t see aliens because they are in that water you just drank, even in your head. Maybe the question isn’t just about the “Where” but about the “When” too. The duration of life on Earth has been and will be, just infinitesimal compared to the life of the universe.
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The requisite that someone exists and develops at the same time as us and in a way that is noticeable to us and likely in the same part if the universe is probably extremely low. Even pulling time travel into the equation makes you think that either no one has developed that capability during the lifespan of the universe so far or if they did they’ve no intention or no way to contact us (or they’d already done so). I prefer the Adams solution to the Fermi paradox. Each civilization reaches the level.
Of quantum manipulation and causes the collapse of the universe to a new quantum state, killing themselves our own each day, so this explanation makes sense. If another AI did ever stumble across the Earth, we would be wise to questions their motives for expending the effort. You won’t find them hitting one stone against another, with the 58 Year Of Spider Man 1962 2020 Shirt explicit intentions to chip away, creating a specific shape. You won’t find any animal collecting shells, rocks, bones, and another small nick nacks.