It appears to Airbus themselves who made the statement.
What you posted is First Choice Airways Flight training manual.
It is possible "Airbus themselves" made the statement, which was then copypasted into the FTM, yet it is equally possible someone at FCA was the source of the (mis)statement.
While I think Airbus pilots have to be trained to deal with unusual attitudes and approach to stall recovery in laws other than normal, this has no bearing on AF447 accident. Failure to recover did not result from lack of skills but inability to understand what is going on and consequently apply the correct procedure.