EDIT: In light of gamblor956 (https://news.ycombinator.com/item?id=8259687)'s response, I should clarify that what I found tasteless and possibly illegal was the posting of this personal information, not the arrangement itself (about which I think it is wisest to offer no opinion).
))
I agree with bkeroack (https://news.ycombinator.com/item?id=8259618) that Andreas's posting this rant publically may not have been desireable (although the poster says that your company was given some warning about the content appearing), but I think that does not give you the ethical right to compound the wrong by complaining about the poster ("he was a terrible fit"), or the ethical or legal right to post sensitive and private information about an employee.
Without commenting on the merits of the situation (I have no idea who is in the right, and think that this kind of unpleasantness should probably not have made the front page), I think that it would have sufficed to say that his allegations are demonstrably untrue, but that you cannot provide documentation due to privacy concerns, without giving personal information about his performance and salary details.
To follow up on your comment about the illegality of it...
The following source notes that while at will termination is no longer completely illegal in Portugal, probation periods must generally be at least 90 days in length for indefinite-term contracts:
((
EDIT: In light of gamblor956 (https://news.ycombinator.com/item?id=8259687)'s response, I should clarify that what I found tasteless and possibly illegal was the posting of this personal information, not the arrangement itself (about which I think it is wisest to offer no opinion).
))
I agree with bkeroack (https://news.ycombinator.com/item?id=8259618) that Andreas's posting this rant publically may not have been desireable (although the poster says that your company was given some warning about the content appearing), but I think that does not give you the ethical right to compound the wrong by complaining about the poster ("he was a terrible fit"), or the ethical or legal right to post sensitive and private information about an employee.
Without commenting on the merits of the situation (I have no idea who is in the right, and think that this kind of unpleasantness should probably not have made the front page), I think that it would have sufficed to say that his allegations are demonstrably untrue, but that you cannot provide documentation due to privacy concerns, without giving personal information about his performance and salary details.