Is this the perfect React app? - Code Review

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Welcome to Code Review!
This is a series of videos where I review code that you send me or that I find online. I review the code as I would when I work with my clients. You will see how a senior developer looks and thinks about code in a variety of scenarios, learn about best practices and how to do things the right way, and learn how to become a better developer overall.
Enjoy!
Darius