Second, in order to simulate 1/6 gravity, the recording would have had to be done in slow motion, and the audio would have been voiced over at normal speed. The ambient sounds from suit action and so forth sound completely natural to me and coordinate well with the voices.
I have no dog in this fight except insofar as the propagation of these sorts of stories generates the impression that all unconventional stories on the internet are out there in La-La Land.