Internet censorship can never be an act of public good.
Among such is the immense legal development by which the primitive law of personal vengeance passed gradually away, leaving but a few surviving relics in the modern civilized world, and being replaced by the higher doctrine that crime is an offence against society, to be repressed for the public good.
He promoted the subscription for Pope's Homer, contributed some numbers to the Tatler, Spectator, and Intelligencer, and joined with Pope and Arbuthnot in establishing the Scriblerus Club, writing Martinus Scriblerus, his share in which can have been but small, as well as John Bull, where the chapter recommending the education of all blue-eyed children in depravity for the public good must surely be his.
Actual war economies typically cite a greater public good when they repress dissent and debate.
In everyday parlance a public good is a good or service produced by the public sector.