This is simply false, or at the very least outdated. Apps can definitely implement custom intents for Siri: https://developer.apple.com/design/human-interface

This is simply false, or at the very least outdated. Apps can definitely implement custom intents for Siri: https://developer.apple.com/design/human-interface-guidelines/technologies/siri/custom-intents https://developer.apple.com/design/human-interface-guideline...