There's no free lunch. There's a reason the first law of thermodynamics is first.
Atoms are just there for grabs too. Yet, you pay for someone organizing them in some order.
At least that's how the world currently works. You can walk for "free" or take the bus for a "fee".
So nothing is actually "free", although the assumption that Adobe took some off the shelf models and off the shelf pictures and threw them in Photoshop, didn't take much effor either.