Most software today is very much like an Egyptian pyramid with millions of bricks piled on top of each other, with no structural integrity, but just done by brute force and thousands of slaves.
Editing is now the easiest thing on earth to do, and all the things that evolved out of word processing - 'Oh, let's put that sentence there, let's get rid of this' - have become commonplace in films and music too.
I am not surprised that they show no intention to follow in my footsteps, although if I had a second chance myself, I would certainly try to repeat my present career.