It’s obviously the case that “do the most good” is equivalent to “optimize the Earth”. HPMOR readers will remember: “World domination is such an ugly phrase. I prefer to call it world optimisation.”
But given that they’re equivalent, I don’t see that changing the label offers any benefits. For example, the theoretical framework linked to “do the most good” already gives us a way to think about how to choose causes while taking into account inter-cause spillovers (corresponding to 1(iv)).
Is Tetlock confirmed? He’s not listed on eaglobal.org.