That's a good point, but I don't think drawing the line is so easy. Take copyright and dmca. In the USA you can argue that the "copyright lobby" is effectively

That's a good point, but I don't think drawing the line is so easy. Take copyright and dmca. In the USA you can argue that the "copyright lobby" is effectively one of the rulers in power -- they write and enforce laws, after all, one of which is the DMCA and used for censorship. And it is absolutely meant to keep themselves in (economic) power. It also establishes a precedent for censorship more generally, a slope that can be made slipperier over time.