[pmiller2]

Unnecessary? Only in the sense that my sentence works without the word. It's a rhetorical device.

Annoying? You must be easily annoyed.

But, misused? Not if you agree with definition 3 on dictionary.com: "actually; without exaggeration or inaccuracy." [0]

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[0]: https://www.dictionary.com/browse/literally

[trippypig]

I should have know better than to use THAT word on the internet. How silly of me.