Your hatred for raimi is blinding you. Spidey was anything but stiff.
Raimi nailed nothing. Sure he did well in a few scenes but the majority of the time, spidey's movements were stiff and completely off.
Now, that being said, this damien walters guy who's a stuntman for this film, just look at his clips, everything he did in those clips wipes his nut-sack with anything Raimi did in trying to convey how spidey should move.