I made a graphic in paint because I didn't have any crayons for you.
Feel free to replace Total Universal Resources, for "Human health" when dealing with cancer. Works as is for capitalism. as it does for life. As per the point of the OP.
What about a straight line? Do you know anything about ecosystems? There are sustainable ecosystems, obviously not for eternity but for much longer than capitalism exists
What is the point? The original post talks about limitless for still the universe will end at some point so it's not eternity put "just" much longer than humans can imagine? That doesn't change anything about the capitalism critics of the original post OP makes fun of