Nothing is more embarrassing to a theory or belief than the recognition that key pieces of evidence or advertising are flawed.
Accidents can happen to anyone and misspellings occur all the time.
Politicians who change their stories as they go along are thought to be dishonest. Good logic would dictate that even scientific propositions can only be held to be valid to the degree that both they and their supporting evidences withstand critical scrutiny and the test of time. Accordingly, the educational establishment now endorses a materialistic and naturalistic philosophy of inherent, upward progress. Popular artistic conceptions visually portray what appears to be an irrefutable gradual lineage of primate evolution. It is shown below with identification numbers substituted for the text which appeared under each character on the chart.