The exact number can be tuned but there is nothing wrong with being somewhat arbitrary. The age we let people drink is arbitrary. Why 18, why not 19 or 17. Its

The exact number can be tuned but there is nothing wrong with being somewhat arbitrary. The age we let people drink is arbitrary. Why 18, why not 19 or 17. Its just a number picked to be good enough. >Don't forget some people might take years of thinking about a story before ever releasing it publicly. It applies as soon as you release it publicly. Copyright doesn't instantly apply as soon as an idea pops in to your head. It only applies as soon as you can prove you created it at a date.