Whirls
Got it in one! The same argument applies for the use of an FNPTII or Procedures Trainer on the ground. And much of the time on the training twin is spent with blinds up to re-create the "environment" while the instructor happily takes in the sunlit, broad daylight view from the other seat.
The difficulty is the time - unless you're starting almost from scratch on a sponsored programme (scarcer than rocking horse s**t and/or hen's teeth) then the only way to acquire the qualification is by paying for it yourself - tough call just after paying for the PPL, then the CPL and Instructor's ticket.......but inside three years - nae chance!!
However, the absence of the aforementioned rocking horse s**t - sorry sponsored programmes - notwithstanding, the industry still basically expects individuals to possess a CPL/IR when they turn up for interview to fly larger twins.........
All things are not equal and it is far from being an ideal world!!!
"If Momma ain't happy, ain't nobody happy!!"