Open Source is the conscious renunciation of any profit and intellectual property rights, whereas artists generally expect compensation for their work.
Plus, open source code gets mostly written by people with a stable and well-paid day job. Take that away, and I doubt there’s much open source code left.
So it's not just price dumping, it's also gatekeeping against unemployed developers. What a terrible practice.
Open source only looks better here because it has a different cultural context. But to a person trying to make money in the field, I'm not sure why that should matter.
Plus, open source code gets mostly written by people with a stable and well-paid day job. Take that away, and I doubt there’s much open source code left.