You don't understand. People have been comparing other people to other creatures, insects, beasts, and birds, in nature to either praise or insult in every language, nation, and tribe on earth, ever since people could talk.
The specific reason that swine have been designated by God as unclean creatures, whose flesh (teaching) defiles and contaminates (the mind) is because THEY DO NOT RUMINATE, exactly like the faithful in whatever religion who "just believe" without thinking deeply about the insanity they are letting take root in the minds.
It may be silly to believe the subject of Kosher law is about food, but the deeper implications will never be silly.
Many believers here openly demonstrate the terrifying and deeply disturbing consequences for setting aside that simple instruction, but so do many unbelievers. Even commies like you who "just believe" that Putin is trying to save the Ukraine from nazis with bombs and take over the country by killing innocent civilians indiscriminately.
You filthy animal...