People who were born in the year of Apollo 15 are now 39 years old. I should know. So the only people who have ever seen this video you refer to are people wel

People who were born in the year of Apollo 15 are now 39 years old. I should know. So the only people who have ever seen this video you refer to are people well over forty, people who have been shown a videotape in (e.g.) a physics class, and people who have caught it on YouTube, a medium which is only a handful of years old and where it is hard to find moonwalk videos among all the piano-playing cats. It's probably hard for young people today to appreciate what life was like before home video recording. You had to hope for the TV networks to rerun something in order to see it a second time! There were also only half a dozen channels on TV. And we had to walk to school uphill both ways in the snow...