Other replies addressed the issues with assuming that population growth will continue as-is, but I also wanted to mention that humans are pretty creative so if we did continue to grow we'd likely start doing ecumenopolis things, deepening ocean trenches to concentrate oceans more and increase the usable land area on earth, start seriously considering the moon/mars for terraforming, building more vertically (above and below ground).
I don't think the volume of land will ever be an issue for humans, but I think that land will never be equally valued.
I don't think the volume of land will ever be an issue for humans, but I think that land will never be equally valued.
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