No, if Creation is true the Creator is free to create life on any number of planets in any form of life He chooses, including life more advanced than humans, life that may have built AI collectives. I would say that if human-like life exists on other planets that is additional proof of a Creator. With Evolution though, one would predict that the life on other planets would be extremely variable with the likelyood of the existence of human-like life quite remote.
Perhaps I should have said, Biblical Creation. If Biblical Creation is true, then I think you have “this is it” and for profoundly theological reasons, all set forth in Scripture.
But you are quite right. The ONLY way you get to human life on other planets is through some sort of new, non-Biblical religious system. You have to have a religious, creation-based philosophy but without earth/human distinctiveness and you have to build up an entire theology and cosmology to support that. When that is done, you are way outside of all of not only the Biblical tradition, but outside all of the monotheistic traditions here on earth.
Which puts Carl Sagan exactly in his place. He may not like it, but what he is, fundamentally, is a soft-headed religious philosopher. Nothing more.
Sorry, but God is not free to create life on any/every planet in whatever form He decides.
“Then God said, “Let us make man[a] in Our image, after Our likeness. And let them have dominion over the fish of the sea and over the birds of the heavens and over the livestock and over all the earth and over every creeping thing that creeps on the earth.””
God made man in HIS image - the image of the Father, the Son, and the Holy Spirit. That does not mean as a T1000 series, or HAL 9000, or anything else.