William Black writes:

I have a suspicion that this is a tape of someone being trained.

I have a suspicion that it's a recording of a real flight on which the crew
violated Federal air regulations (if the flight were going to or from the
U.S.).

I haven't seen any Air France staff saying anything in the safety
briefing for years now, it's all on tape and they mime...

She doesn't appear to be talking.

That, and all the passengers seem to be short-haired men dressed in a
similar manner, indicates that this isn't a normal flight.

I wish I could believe that.