Dark patterns ask you to sit in a chair, without telling you that you can get paid to stand. (masking benefit without restricting access to the benefit; misdirection but without total erosion of trust)

This is about exploiting the exposure of unique identifiers (phone number mapped to email), and an interloping tattle-tale ratting out their correlation to the same owner.

It's something more akin to a Prisoner's Dilema, except people aren't cognizant that "They Are The Product" so no one thinks of themselves as prisoners ratting out conspirators.