Is it written so that those without a Ph.D. in the discourse can understand it, or does it contain million dollar words that require a scientific dictionary to decipher?
The idea of accessibility in writing and in any form of information is important because if the audience does not understand what you are saying, then the message or point can not get across to them. This is what makes great professors and teachers because they are able to explain a topic that students have no clue about and help them understand it.