Is this news because it's innovative or because AA is that far behind? I haven't flown AA in a while, but other airlines I've flown have a green or red rectang

Is this news because it's innovative or because AA is that far behind? I haven't flown AA in a while, but other airlines I've flown have a green or red rectangular light built into the pass scanner, and bonk sound indicators. If someone is in the wrong group, it bonks. The agent may or may not wave them through.