How much does open source rely on copyright for enforcement? Do court decisions that limit copyright protection of AI generated content cause problems for open

How much does open source rely on copyright for enforcement? Do court decisions that limit copyright protection of AI generated content cause problems for open source? Isn't there a requirement for a "Mental Conception" of the code output when using such a tool? Even copypasta requires you to somewhat know what you need to do, where "automated bug finding", does not seem to.