No optimism, simply facts based on the lack of APIs for accessing any of this data. Since this is just a preannouncement (APIs will come at WWDC next month), we

No optimism, simply facts based on the lack of APIs for accessing any of this data. Since this is just a preannouncement (APIs will come at WWDC next month), we can't tell yet, but Apple's previous system attention tracking was never available in public APIs.