Because they are valid ways of cutting costs and increasing individual prosperity, because they integrate both micro and macro-economic cost cutting and because they reduce the necessity of finance which is the primary problematic macro-economic factor in increasing costs and which is currently the only way that the economy avoids continuous recession if not depression.
No single business model should have the right, the ability and the power to dominate every other business model and probably 95% of the general populace. It’s unfair, unethical and stupid on its face. And any economist, politician, financier or pundit who cannot get behind the above specific policies in order to remedy these obvious human wrongs….deserves your scorn.