I'm aware of their thoughts on the distinction between open and free software. However these are (a) lost on most people involved in open source and (b) largely

I'm aware of their thoughts on the distinction between open and free software. However these are (a) lost on most people involved in open source and (b) largely irrelevant as far as the FSF's projects being a large part of GNU/Linux, one of the most widely used open source/free software projects, or their dedication to seeing some key legal questions that affect both open source and free software play out in court.