And yet the japanese hoax happened. I've seen whole teams of people engage into online vote cheating in my workplace. And knowing the game is rigged is the best incentive to cheat, along with career-advancement stakes.
As for faking carbon-dating, you only need a nuclear reactor. ChatGPT brings up the following:
> The Vinland Map came to light in the 1960s, but its authenticity has been a subject of intense debate ever since. One controversial aspect of the map was a Carbon-14 dating conducted in the early 2000s, suggesting that the parchment dated back to the 15th century. However, scientists also found a modern form of ink known as an anatase titanium dioxide on the map. This particular type of ink was developed in the 20th century, causing some speculation that the map could be a forgery.