useReferesh example is not valid. Why do we even need it in this case which is shown in the example.

[yadavseetaram]

Here is the sandbox example of mine where I have achieved the same without using either useReferesh and useEffect.

https://codesandbox.io/s/affectionate-carlos-bc2qe?file=/src/App.js

It will work because whenever we change any sate using useState in function component or this.setState in-class component react update rerender the component automatically.