Originality, accuracy, and clarity can be hard things to measure in terms of the written word. Originality is always bound to some degree with the familiar. Accuracy, while sometimes easier to assess, is rarely complete and can still lead us to faulty conclusions. Clarity is largely dependent upon the ability of any readers to comprehend, relate to, and think reasonably about whatever is being presented to them. These three aspects comprise but a general shortlist of problems a writer may face when trying to compose something of worth and interest to the broader reading public.
Underlying political and ideological tendencies, which are engrained in the general public, further serve to restrict a writers ability to find and captivate an audience. The promotion of certain ideas, right or wrong, can even be dangerous to writers who promote them. People have been burnt at the stake and put before firing squads because of their ideas.
More commonly problematic is simply the inability of writers to adequately reach a receptive audience. On the simplest level this could sometimes be due to a writers limited access to a suitable medium. However, even having access to modern tools of mass communication does not guarantee that the message being produced will reach a broad or receptive audience. The reasons for this are many.