Copyright has nothing to do with cost of production. What does it cost for me to doodle something on a napkin? Nothing, yet I still enjoy the full protections c

Copyright has nothing to do with cost of production. What does it cost for me to doodle something on a napkin? Nothing, yet I still enjoy the full protections copyright law offers for that doodle (with the exception today being AI companies. Apparently, they can do whatever the fuck they want with it)