I guess it depends what you mean by "practiced" - as far as I can tell the intent was to follow the procedures outlined in the above document in the event of unreliable airspeed, but as to whether or how often these procedures were drilled, I can't say.
I can't say either, which is why I posted:
I'd be interested to hear from those who do pilot training and conversion comment on the above. When pilots actually fly the Magic Bus, are the pilots flying pitch and power?
Some apparently do. (based on various inputs from actual pilots in 3+ years of this topic)
Won't make any comments on KISS principle, and the link you provided, since we are dealing with fly by wire aircraft.