When you say 'everyone' in your second paragraph, really you mean 'all of the Silicon Valley style employers I'm aware of'.
That's a tiny proportion of the user population and doesn't imply agreement or consent to the information the Facebook SDK shares. And even if it it did, it wouldn't automatically mean that it's an acceptable or good behaviour by those apps and Facebook.
Bringing widely-distributed privacy breaches to a wider audience's attention can help those users provide feedback regarding products and then allow them to select vendors who respect their values.
That's a tiny proportion of the user population and doesn't imply agreement or consent to the information the Facebook SDK shares. And even if it it did, it wouldn't automatically mean that it's an acceptable or good behaviour by those apps and Facebook.
Bringing widely-distributed privacy breaches to a wider audience's attention can help those users provide feedback regarding products and then allow them to select vendors who respect their values.