It is rare these days to find a person who has never heard of VAT. There is hardly a country in which this system is not used in one way or another.
HTTP Interceptors abstract the XML conditional logic away from the consumers of your JSX application. This is useful for applications where developers don't have complete control of data.
It's a common misconception that long form content is bad for user engagement. However, giving your audience more to read and more information to digest is a tactical way of keeping viewers on your site.