R Squared Misuse [Amazon Statistics Interview Question]

Suppose the Product Manager on the Amazon Marketplace Fraud Team asks you to analyze the relationship between the chance a seller is fraudulent seller, and some other variable about the seller.

They took Statistics 101 a decade ago, so they confidently tell you "Don't just describe the relationship qualitatively - I'm a numbers person! Be sure to include the R-Squared ($R^{2}$) in your report!"

What are some ways $R^2$ could be misused, or be misleading, or not tell the PM the whole picture?

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