Why does it take so long to make a movie/software? Because it is an act of invention. Yes the camera/widgets, lights/libraries are all reused. But the way they

Why does it take so long to make a movie/software? Because it is an act of invention. Yes the camera/widgets, lights/libraries are all reused. But the way they are reused is unique for each movie/application. And a large number of external constraints/forces impact how the movie/application is made. Yes you can quickly make an amateur movie/app in a few hours. People do it all the time. But that’s not the same as making AAA movies/software.