Not only is it apparent that they are added to every 3rd post but its not a sig, its not part of your message, its in an area you do NOT control. So when your post count calls for a random statement like 'I know PK' or something like that is that liable?
This is marketing, the reason GFY exists is to create ad revenue for Lens and company.
I'm sorry you feel this way but resource sites should help brand products and this is one really effective way to do it. It is FARRRRR more effective than buying a banner that is in rotation with xx others and gets rarely seen
