>The legal basis? Not consent.
You read and agreed with the terms explicitly stating the data would be used to do those things, and it was not at all necessary for you to do that. What else do you want? It seems like consent isn't the issue. You just don't like what this company does, and still volunteer your data for them to do just that. Now you regret it and write a blog post?
One thing is to be tricked or misled, or for a government to force your face to be scanned and shared with a third party. Another is to have terms explicitly saying this will be done, requiring explicit agreement, and no one forcing you to do it.
They consented to their data being used to verify their identity, not to train an AI on their data. Each separate purpose the data is being processed for needs its own basis.
The plans were on file in a disused lavatory with a sign in the door saying Beware of the Leopard.
> no one forcing you to do it
This is where I disagree. You basically have to use LinkedIn to participate in today’s job market. These large platforms that are protected by network effects should be highly regulated so they cannot abuse your privacy and rights.
"Consent" and "Legitimate Interest" are legal terminology - they're two bases defined in GDPR and have different implications and requirements for balancing user and processor interests.
When the author says that Persona claims the "legitimate interest" basis for these data, they're saying that Persona is trying to achieve maximum flexibility for using the data (since "consent" generally requires specific agreement on a specific use for the data, and the burden of maintaining the consent records, where "legitimate interest" does not).
https://www.bulletproof.co.uk/blog/consent-vs-legitimate-int...