Earlier quoted context omitted.
Tell that to Jadav Payeng, who planted a forest by himself. He accomplished, on his own, more for the good of the world than most communities on Facebook ever will. https://interestingengineering.com/science/jadav-payeng-the-...
Eh, that's improvement, but the world didn't change because of a small forest.
And the point stands: what he did was more relevant than most (if not all) Facebook communities will ever accomplish.