Why mainstream researchers choose to ‘ignore’ details and clues pointing to the existence of civilizations that are much older than previously thought remains a riddle to many people. ------------------------ The reason should be evident .''Mainstream reseachers'' are not convinced. Speculations such as this are not new. They have been examined and found to lack substance.
Here's an earlier example: With such eminent men endorsing the Piltdown skull, the public was also taken in. Museums worldwide prominently featured copies and photographs of the skull, while books and periodicals quickly spread the news. The harmful effects of Hinton’s practical joke are incalculable. How apt the Bible’s comment: “Like an idiot throwing firebrands, arrows, and death, such is a man who deceives another and says ‘I was just joking, you know!’”—Proverbs 26:18, 19, Byington.
