I was talking what people usually refer when they say "theft". Not a legal notion which is by definition arbitrary. For me, you can't own something that is not

I was talking what people usually refer when they say "theft". Not a legal notion which is by definition arbitrary. For me, you can't own something that is not material, ie that can be replicated at no cost. The question of those who actually make a living of IP is one of business model. They more than probably can keep a healthy profit without IP, as they are countless example of around the internet.