The case against the Bell coalition website blocking proposal has already identified at least two sources of likely expansion and over-blocking: expanding the scope of piracy sites and the over-blocking of legitimate sites that has frequently occurred with site blocking systems around the world. There is a third source worthy of examination, however, namely pressure to expand the block list to non-intellectual property issues (other posts in the series include the state of Canadian copyright, weak evidence on the state of Canadian piracy, the limited impact of piracy, and why the absence of a court order would place Canada at odds with virtually all its allies).