“Machu Picchu, the famous 15th-century Inca site in southern Peru, is up to several decades older than previously thought...”
Glad they got that straightened out; now we can all sleep better. That few decades correction out of 700 years really means a lot.
It makes a big difference, as noted in the article.
It also makes a difference in the type of trolling that happens, usually there’s some outlandish and quite stupid claim about how RC dating isn’t accurate.