Seriously are you and many commenters here missing the point? Author says several times this is not a product, it's a showcase of his skills as well as a refere

Seriously are you and many commenters here missing the point? Author says several times this is not a product, it's a showcase of his skills as well as a reference codebase for people wanting to learn how to use ts/react/hooks/whatever in medium-size complexity project. The "features" here are technologies used.