As far as I can tell even that is not quite accurate: https://www.eff.org/deeplinks/2013/11/trademark-law-does-not-require-companies-tirelessly-censor-internet

As far as I can tell even that is not quite accurate: https://www.eff.org/deeplinks/2013/11/trademark-law-does-not-require-companies-tirelessly-censor-internet https://www.eff.org/deeplinks/2013/11/trademark-law-does-not... tl;dr: The bar for trademark abandonment seems to be quite high.