Hollywood was created by ignoring (Edison) patents, not copyright.

On the other hand, Disney's success is largely owed to public domain adaptations, and for a century, it did its best to shrink the public domain and expand copyright.

Hollywood was created by ignoring copyrights.

https://penntoday.upenn.edu/2012-05-10/research/bumpy-histor...

They may have ignored patents too, but they build their work on copyright infringement.

I stand corrected. They apparently ignored copyright too (in retrospect, using existing screenplays made sense for the early industry).