I confess that i've not read all the posts in this thread so i may be covering ground already covered...
Aviate
Navigate
Communicate.
Absolutely.
In busy IFR controlled airspace "communicate" is an intrinsic part of "aviate".
Certainly you don't want to be waffling on the radio as the ASI slows below stall speed, but there is no point in pulling off the save of the century if you then fly into someone else afterwards.
It was what was called Airmanship when I learned to fly.