"...and now copilots zap through them in half the time."
Except, if they have to look at the AFM, as the runway analysis chart is missing/non-standard flap setting/different runway etc.
Reading the takeoff performance graph...all nine yards of it.
OMG, they say, so many lines.
I personally do these, to be SURE they are correct.
Then, F/O checks. followed by the Flight Engineer.
Guess who gets it right(usually)?
Yup, the guy with four bars.