I'm no Facebook fan but the reasons behind the lawsuit are bad and could set a bad precedent. Cambridge Analytica used the Facebook API to ask users to share data about them & their friends. Stupid users agreed to that. The argument here isn't that Facebook is playing fast and loose with tracking & user data (which would be a legitimate argument), it's that Facebook is allowing people to grant access to their data to…
> Cambridge Analytica used the Facebook API to ask users to share data about them & their friends This may be true technically, but if it was not made clear to the users what they were sharing and what their data would be used for then the users cannot legitimately agree. Facebook, as platform owners, can force organisation to be clear about what will be disclosed and what for. This is one of the goals of European GD…
The Facebook OAuth consent prompt is pretty clear.
> what their data would be used for
This is an issue with Cambridge Analytica, not Facebook. Similarly, if a seller on eBay asks you to wire them money and then scams you, why should the bank be liable?
Furthermore, Cambridge Analytica's actions apparently broke the Facebook API terms of use. There's nothing Facebook could've done here unless they can predict the future and retroactively deny access to companies that they know will break the rules in the future.