Is it stealing if you don't pay for the cinema? You don't own anything new after.
Is it stealing if you don't pay for your haircut? You don't own anything new after.
Is it stealing if you don't pay for your car service? You don't own anything new after.
So if someone creates a piece of art and I take a photo of it and sell the photo, or create prints of it, or even just give it give that photo to lots of people, what is that?