The data better fit a short time period between the fossil and modern life form; which has allowed little time for gene mutational load to result in morphological changes.
Genesis 6: 5 And God saw that the wickedness of man was great in the earth, and that every imagination of the thoughts of his heart was only evil continually.
6 And it repented the Lord that he had made man on the earth, and it grieved him at his heart.
7 And the Lord said, I will destroy man whom I have created from the face of the earth; both man, and beast, and the creeping thing, and the fowls of the air; for it repenteth me that I have made them.
8 But Noah found grace in the eyes of the Lord.
Why did God preserve Noah?
Genesis 6:9 These are the generations of Noah: Noah was a just man and perfect in his generations, and Noah walked with God.