I wouldn't necessarily say they're connected, given that there are worlds where entirely different species have achieved sapience and have intelligence and reasoning capabilities even though it would seem completely ridiculous for them to do so.
For example, the world where the dominant sapient species are colorful horses. Admittedly, that's the... extreme end of things, but there's no way their sapience could have resulted from anything resembling "humanity."
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For example, the world where the dominant sapient species are colorful horses. Admittedly, that's the... extreme end of things, but there's no way their sapience could have resulted from anything resembling "humanity."