Valve turned a huge profit on Portal 2. Yet they refuse to make Portal 3. Why? Because compared to Steam, Portal 2 generates a tiny ROI by comparison.
Option A: invest $1 in Steam and get $10 back
Option B: invest $1 in Portal 3 and get $2 back
which do you do?
Same goes for movie industry. A movie promises returns for decades as it is milked and re-released in various formats. If the movie can only make money for 20-ish years, ROI goes down significantly. Read: "The Disney Vault" [1]
Seems like hollywood is already on board with this. What do they need Ghostbusters to have a 100 year copyright on when they could just release a new Ghostbusters every 30-40 years like they're pretty much already doing.
