The biggest reasons 'why not' aren't technological, they are human. The Hollywood model for submitting scripts is extremely rigid in terms of how they should be

The biggest reasons 'why not' aren't technological, they are human. The Hollywood model for submitting scripts is extremely rigid in terms of how they should be formatted, and is built around having a physical copy of the manuscript. There's no real reason online submission can't work, other than the fact that it's not how things work at the moment.