At point is it legitimate for a certain government (state, city, municipal etc) to say a commodity or service (water, utilities etc) should be a right for all of its citizens? And provide the public utility as a monopoly?

Will emerging network states / city states do the same?

creating and destroying; built flying cars & autonomous vehicles, now building roc.camera, writings: july.rocks

IMO only for market failures (i.e. when the negative externality of a good not being a social good is not priced in by the private markets)