According to current laws, using LLMs to plagiarize existing works is not illegal. There is no precedent because the technology hasn't existed before. There's

According to current laws, using LLMs to plagiarize existing works is not illegal. There is no precedent because the technology hasn't existed before. There's tons upon tons of precedent for companies plagiarizing the works of small artists, and the justice system sides with large companies far more often than small artists. But none of the technologies you've listed allowed companies to automatically plagiarize the works of small artists, whereas LLMs do allow this.