Why do some theorists write about decision-making using the metaphor of the garbage can?

Question

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The garbage can model of decision-making suggests that the process is messy and involves a mix of problems, solutions, and decision makers coming together in a somewhat random fashion. This metaphor highlights the chaotic and non-linear nature of organizational decision-making, where problems, solutions, and participants are all mixed together, much like garbage in a can.

Why Do Some Theorists Write About Decision-Making Using the Metaphor