Back in 2007, this inability to report a motive was mocked by Saturday Night Live. In 2019, it is (SOP) standard operating procedure, with social media even banning users who attempt to tie acts of Islamic terrorism to Muslims.
IsraelUnwired (h/t Victor S) If we do not name the enemy, how can we fight it? Little did we know that this parody on SNL would become reality. Law enforcement officials are reluctant to ever name a motive for terrorist attacks and the Muslim-sympathetic media never venture a guess, let alone acknowledge the fact that terrorism is carried out primarily by Muslims. They act as if they have no idea what the link is between all the terrorism in the world.