Yeah, I mean, if this logic was universally true, nobody could be a landlord; people would always own the homes they're paying to live in; every business running 'rent to own' scams or charging you disproportionate amounts to use something very temporarily would immediately fail; nobody could charge massive commercial licensing fees; and… and…

…Hmmm.

Theft would also mean that there was something taken which is no longer available to the victim. Piracy is just making another copy. There are an infinite number of these so long as there is storage space to fit them on.