When to use direct exchange over fanout exchange

Question

As far as I can tell, there is no proper use case for a direct exchange, as anything you can do with it you can do with a fanout exchange, only more expandably.

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Answer 1

This answer echoes the previousone and if you refer to this page, I believe you'll that one particular use case described is:

Direct exchanges are often used to distribute tasks between multiple workers (instances of the same application) in a round robin manner.