Evolutionists will bitterly cling to their anti-God beliefs.
Creationist will continue to believe in an unprovable cause.
Darwin came to his conclusion base on gradual evolution based on observations of isolated pockets of finches which showed gradual changes to fit their environment. He also showed how changes in species come about by breeding. The archeological record is sparse as most anything that ever lived simply vanished from the record. It takes a stubborn, creationist who takes a narrow, literal view of Genesis to keep on carping about evolution.