because they help to understand native speakers better and enrich knowledge of language in general
it is an important field in the english language.
because it's a part of spoken english
i think it helps to improve your pronunciation.
they improve your pronunciation, help to understand english native speakers.
this is crucial for every person who wants to be fluent in english, and those aspects are equally important to others (such as rhythm, schwa sound, and so on).
that would help them to improve their language skills, because it doesn't matter if you're a native speaker or not; you should speak properly.
it is a part of the english language and we cannot skip it.
because it helps to understand and speak english at least a bit better