The author is trying to use Amazon’s workforce size to support his argument that “given their organization's internal objectives, they are forced to build huge

The author is trying to use Amazon’s workforce size to support his argument that “given their organization's internal objectives, they are forced to build huge workforces to accomplish what seems like "simple" tasks.” “internal objectives” is not why Amazon needs 1.4 million people to complete the “simple” task described. And if you redefine internal objectives to include everything else that Amazon does to make money then it’s really saying nothing at all.