Here’s a theory: Dinosaurs were part of the “backstory” God created for the Earth so that he could call one up here. Why make a coherent backstory? So choosing God would be an act of faith, without which there would not be free will. Why does free will matter? Because without free will, there cannot be true love or even companionship, and the universe would be a sterile empty place (possibly even for God).
What do you mean a Coherent back story?
Angelic Human crossbreed experiments of the time of Noah where Angels took women and bread Human Giants as described in Genesis 6 of the Bible.
Other related Bible stories were included after Genesis 6 as it occurred on a smaller scale, and the story of David and Goliath holds some clues.
It is said that not only humans were corrupted but also animals and if that included Animal Giants too then maybe that means the Dinosaurs in terms of fitting the picture into the Bible chronology.
Since they were of a giant size anyway, who says that maybe they were not a result of experiments and by doing so God decided to save the pure animals that we have today of their kind and then along with humans while sending a flood to bury the Giants, be it Human hybrids or dinosaurs.
“When the children of men began to multiply on the face of the earth and daughters were born to them, and the angels of God saw them on a certain year of this jubilee, that they were beautiful, and they took themselves wives of all, whom they chose, and they gave birth to their sons and they were giants.
“Because of them lawlessness increased on the earth and all flesh corrupted its way. Men and cattle and beasts and birds and everything that walked on the earth were all corrupted in their ways and their orders, and they began to devour each other. Lawlessness increased on the earth and the imagination and thoughts of all men were continually, totally evil” (Jubilees 5:1, 2).