I agree, the amount of FUD and fearmongering related to GDPR is quite impressive, even here on HN. It seems people who don't like GDPR are trying their best to make it look diabolical as if this would make it go away.
No, you do what's necessary to fullfill the service you provide to the user: they wanted to publish a forum post, you store and publish the submitted data as is necessary to offer this. That's neither a leak nor forbidden.
