How does the open source and Foss ideology come into the whole "families to feed so they can demand extortion money and DRM and vendor lock in and platoform loc

How does the open source and Foss ideology come into the whole "families to feed so they can demand extortion money and DRM and vendor lock in and platoform lock in ? If blender model can work for them, surely all software can be built on that and I would gladly pay for "maintenance". Monthly but not otherwise.