Increased workload? INCREASED WORKLOAD!
Oh my, what if the autoflight system failed? Imagine the poor PM (prefer term NFP) actually having to do a number of things at the same time.
Sad.
A friend said: you aren't really an instrument rated pilot until you can hand fly an ILS to minimums on one engine while eating a hamburger.
somewhere being a lame pilot became acceptable. (lame in the teenager sense of the word)