Yes, the entire premise is basically "imagine everyone is an amoral, profit driven capitalist kleptocratic eager to pillage and burn, therefore we must ensure that everything is up for sale to specifically those amoral, profit drive capitalist kleptocrats for... reasons. Yes this is coherent and smart please listen to me."
And of course in reality, the tragedy of the commons was caused by enclosure and capitalist encroachment that communities were prevented from using their traditional "just kick the shit out of someone who's wrecking up the place if they don't stop when you tell them to" methods to defend themselves against. Communal ownership leads to better and more responsible stewardship than commodifying everything for rich bastards to buy, exploit, and despoil.