alt Hacker NewsYes but that consent must be given freely. There can't be undue pressure. Unfortunately this part is not well defined but it looks like the AI training part is not required to deliver the service to the specific user so I do think that if challenged it will be ruled afoul of GDPR.
I think Facebook lost a similar lawsuit recently where you had to accept that they can use your data or pay to access the site. And it was found illegal in the EU.
The problem is that it takes years and users don't wait for years. There should be a way to harm these companies more on the EU level.