The distro is designed to be a bulletproof, highly user-friendly operating system that showcases the best of KDE technology—a system that KDE can confidently recommend to casual users and hardware manufacturers.
So it looks like there will finally be a distribution that Windows, Mac, and ChromeOS users can jump to and just start using without having to learn much and with a much better and more familiar GUI than GNOME.
I think you're exactly right, honestly I think this has potential to be huge. Whether we like it or not, in order for a lot of mid-level savvy users to feel comfortable switching over they need a "default" option (like joining mastodon.social) to get their feet wet. A distro specifically built for KDE I think could appeal to a lot of people.
EDIT: Also for the people buying laptops in businesses and schools obv