What can realistically be done depends on the historical moment. The same is true with regard to the agents.
Noam ChomskyCapitalism is based on the principle that everything has to be privately owned; it can't be held in common. There is even a dogma, which is today called, the "tragedy of the commons" which holds that if things are held in common they are going to be destroyed. If they're privatized, like you give them to Bechtel or Monsanto or ExxonMobil, then they'll be preserved because that's the capitalist's religion.
Noam ChomskyWe live in this world, not another one that we'd prefer, and sometimes it's necessary to follow painful paths if we hope to provide at least a little help for suffering people.
Noam ChomskyThe people I find most impressive are generally unknown at the time of their actions and forgotten in history.
Noam Chomsky