Frugal tech idea and degrowth are more capitalist than a handful of monopolies owning you in every orifice and billing you for it.

If by "capitalism" we don't mean paleo-industrialism of XIX-century aristocrats with monocles and child labor. If we do mean the "free market with protections for property, rights, safety and anti-monopoly regulations yadda-yadda" moderate-normal-classical model.