(And no,Michael Baydoes not qualify).

She serves as stakes for Cade (Mark Wahlberg) and pretty much nothing else.

Normally, this would be an effective way to make her more important to the plot.

Cade Yeager looking to the distance in Transformers: Age of Extinction

Image via Paramount Pictures

Why did Bay decide to make this such a plot point?

Why make the characters 20 and 17 in the first place?

Why did Shane need to be in the movie in the first place?

Miles hanging upside down from a tree in Transformers

Image via Paramount Pictures

No one seems to know.

Sam’s parents add literally nothing to any of the three films they appear in.

This collectively makes them incredibly useless.

TJ Miller running from a car in Transformers: Age of Extinction

Image via Paramount Pictures

NEXT:The 10 Best ‘Transformers’ Villains

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Tessa Yeager on the ground panicked in Transformers: Age of Extinction

Image via Paramount Pictures

Shia LaBeouf and Megan Fox have a stare down with Optimus Prime.

Image via Paramount Studios.

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Viviane Wembly as seen in Transformers: The Last Knight

Image via Paramount Pictures

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Cade Yeager lookign to the distance with a tank behind him in Transformers

Image via Paramount Pictures

Close-up shot of Shane in Transformers: Age of Extinction

Image via Paramount Pictures

Carly getting out of her car in Transformers: Dark of the Moon

Image via Paramount Pictures

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Leo Spitz screaming in Transformers: Revenge of the Fallen

Image via Paramount Pictures

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Sam’s parents hugging Sam in Transformers: Revenge of the Fallen

Image via Paramount Pictures

Movie

Transformers

Shia LaBeouf