IMHO FIFA isn't the best place to look for clarity. The theory used to be that it needed to be universally/easily applicable. And (maybe) not interrupt the flo

IMHO FIFA isn't the best place to look for clarity. The theory used to be that it needed to be universally/easily applicable. And (maybe) not interrupt the flow of the game. They allowed goal line technology as it was instant and poor decisions in huge matches became embarrassing. Rugby and cricket both use it very well at high levels. There is plenty of material out there from the past few decades. https://www.theguardian.com/football/2010/jan/24/video-replay-technology-sepp-blatter https://www.theguardian.com/football/2010/jan/24/video-repla... edit: I know I didn't address your issue, I'm trying to find this argument but Google has become quite useless. edit: “protect the simplicity and universality of the game” https://www.theguardian.com/football/when-saturday-comes-blog/2014/oct/30/technology-change-football-futurology-next-50-years https://www.theguardian.com/football/when-saturday-comes-blo...