It’s a bit like a Kindle vs a book. A novel is read sequentially from start to finish with the occasional need for random access. But any sort of technical reference has a high demand for random access with the occasional need for sequential access.
Having been a programmer in my previous worklife, printed listings enabled desk checking the program step by step (including simulated breakpoints), monitoring values of many variables, testing various inputs and observing subsequent outputs. All of these can be checked on paper and interestingly none of these can be done in ProRealTime.
Besides, I cannot study a number of listings at the same time for the purposes of transferring knowledge to a new section of code.
My problem exists now and the partial solution in V10.3 still has no implementation date on the IG Markets platform.
Printed listings are still an effective version control.