You’re conflating the two systems. YouTube does have the Content ID system, which does automatic detection and is mostly used to monetize (not take down) copyri

You’re conflating the two systems. YouTube does have the Content ID system, which does automatic detection and is mostly used to monetize (not take down) copyrighted content. But this case is a copyright strike, which means there was a DMCA takedown filed. The differences between these two systems are explained here: https://support.google.com/youtube/answer/7002106 https://support.google.com/youtube/answer/7002106