So that someone can understand what you've got in mind. In the Information Society, we are innundated with a flood of information. Poor writing leads to unnecessary confusion and annoyance on the part of the reader.
Wordiness is a result of idea generation .
Most people write wordy sentences and paragraphs when they are writing early drafts. In final drafts, however, writers need to trim those wordy passages. Many people write wordy papers because they are trying to make their ideas sound important by using long words and intricate sentences. They think that their writing must be complicated to seem professional. But although these writers are trying to impress their readers, they often end up confusing them.