Why parents should worry about Office 365's Immersive Reader dictation feature for students

Beginning in February, Microsoft plans to offer a new feature for young students: Immersive Reader dictation, a new feature within Office 365 apps for Windows and the Mac. As a parent of two elementary school students, though, I'm concerned this feature will be an unwelcome crutch. Microsoft is pushing dictation onto Word for Mac, iPhone, Outlook Desktop, OneNote iPad, and OneNote Mac. Even though I write about technology for a living, I'm sort of feeling my way through applying it toward parenting. Is a smart speaker an annoyance or a learning aid?