Well, there goes Facebook’s business model 🙂

“What they’re doing is bullshit, basically,” said Antonio García Martínez, a former Facebook employee who helped build the social network’s ad-targeting operation. “This has been tried before. There’s no reason to think it’s particularly powerful.”
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And a Democratic operative who works in the digital realm said claims of Cambridge Analytica’s effectiveness in 2016 are very much overstated.
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“The idea that they had a robust data campaign is just not true,” she said. “They were doing very best practice stuff on the Facebook side, but they weren’t doing this universally. It wasn’t deep or robust.”
She agreed with the political operatives that there is little evidence to support claims that Cambridge Analytica helped swing the election.

Source: Cambridge Analytica’s effectiveness called into question despite alleged Facebook data harvesting