The Biden administration sided with pork producers, arguing that the law places a substantial burden on interstate commerce without serving a legitimate local public interest. “It fails to respect the autonomy of California’s sister states,” Deputy Solicitor General Edwin Kneedler told the justices. “It invites conflict and retaliation and threatens the balkinzation of the national economic union.”
https://www.cnn.com/2023/05/11/politics/supreme-court-pork-california-regulations/index.html