dasleben
That's just, like, your opinion, man
If I remember correctly (haven't instructed in a while) that for private standards, stall recovery is initiated after a full stall(nose drops) and commercial standards have you recover at the first indication of a stall.
Same with ATP. First indication only. Personally, I think recovering at the first indication requires a prompter recovery and finer hand. That said, learning how to recover from a fully developed stall is important when first learning. Seems like the FAA got that right.