Because outside of government and certain (but not all) bigcorps, knowledge worker jobs aren’t “find a cog to fit a precise position in a larger machine” things.
Heck, even in government they often aren't, though the rules governing government hiring force people to superficially hire as if they were.
Heck, even in government they often aren't, though the rules governing government hiring force people to superficially hire as if they were.