Because Henry Morris said it does not prove it to be true or does not make it true.Dr. Morris said that.
Henry Morris indicated that he was repeating claims from other sources, but he failed to document his specific sources for his claims in his 1996 booklet A Creationist's Defense of the KJB. On this subject, his sources likely included some unreliable KJV-only sources such as Gail Riplinger.