Earlier quoted context omitted.
It’s morally wrong to steal, and has been since the beginning of civilization. “Though shalt not steal” - Ten Commandments “If a man has stolen goods from a temple, or house, he shall be put to death; and he that has received the stolen property from him shall be put to death.” - Code of Hammurabi Private property is the foundation of civilization and pretending theft doesn’t matter undermines the basis of our world.…
While I agree that it's morally wrong to steal, you lost me at "All theft is wrong". I think there's a deep reason why stories about moral (or at least mostly ambiguous) thieves are so prevalent. Two major examples are Robin Hood and more recently Andor, both about stealing as a way to rebel against an overwhelmingly powerful and negative authority.
You sleep easier when you don't know what happens to the people who won't receive the shipment a robbed grain merchant cannot pay for.