My belief is that no, it wouldn't - because the posts don't contain identifiable information about people. I'm not an expert, though, and I'd love for someone to come and correct me if I'm wrong.
Edit: I just saw that @S4nvers gave a more detailed answer than me a bit lower down, essentially agreeing with me but quoting the relevant part of GDPR to explain why.
Would this be a GDPR violation? Serious question as I don't know
My belief is that no, it wouldn't - because the posts don't contain identifiable information about people. I'm not an expert, though, and I'd love for someone to come and correct me if I'm wrong.
Edit: I just saw that @S4nvers gave a more detailed answer than me a bit lower down, essentially agreeing with me but quoting the relevant part of GDPR to explain why.