Is Golden Ratio even true? Why do people use it to measure anyone's attractiveness?

They said Bella Hadid is the most beautiful based on a Golden Ratio mask. I think it's bullshit.

How can maths measure anyone's beauty?

Golden ratio is also super rare in nature and I don't think it exists on people. So what is the purpose? And how can a plastic surgery girl be considered the "most beautiful" person?

Is Golden Ratio even true? Why do people use it to measure anyone's attractiveness?
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