No matter how feature-rich or useful an application may seem, it's only useful if its UI is intuitive and if regular users need help figuring out how to use it
I would expect:
No matter how feature-rich or useful an application may seem, it's only useful if its UI is intuitive and if regular users do not need help figuring out how to use it
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Maybe some words are missing or sparing here?
I would expect:
No matter how feature-rich or useful an application may seem, it's only useful if its UI is intuitive and if regular users do not need help figuring out how to use it