For some reason they are allowed to make miniscule changes and get new patents, but the old ways are then available for generics.
It would be great if copyright switched back to reasonable time limits. Media companies would still live on as repositories that could sell access to high quality source copies and remasters to make income. They would only lose the control over other people using what is already in the public domain.
Drugs do use patents with reasonable time limits.
For some reason they are allowed to make miniscule changes and get new patents, but the old ways are then available for generics.
It would be great if copyright switched back to reasonable time limits. Media companies would still live on as repositories that could sell access to high quality source copies and remasters to make income. They would only lose the control over other people using what is already in the public domain.