You shouldn't go to lawyer for advice on affiliate marketing, nor should you get your legal advice from an affiliate forum.
Having said that, the bottom line is this. If you do not have the resources to defend yourself if it came to the point that you were served, then you would be a fool to not remove the post. They have clearly shown by their bullying of John that they are willing to unleash litigation to quash dissent.
Unlike Jon, it would appear you don't have the resources at this time for a fight. Save your fight for another day.
