Could they? Couldn't an ISP decide they don't want to serve that hateful content over their pipes and disconnect them? Or what if the domain name registrar deci

Could they? Couldn't an ISP decide they don't want to serve that hateful content over their pipes and disconnect them? Or what if the domain name registrar decides they don't want to do business with an angry racist? Or what if an upstream backbone provider decides they could get some good PR by blackholing their IP? These days, private companies have a _lot_ of power over what speech is allowed to be heard. Perhaps even more so than the government.