It is not necessary for one to write for profit alone. Many write for the sheer love of writing and some of them do it successfully through their blogs. If an opportunity presents itself, they may even publish a book along the way. So, write for the pleasure of writing to inform or educate others. Entertain your reading audience and they may reciprocate by following your blog or buying your books in the future.
The reality of the present educational system of many countries around the world is very depressing. Gone are the days when quality education was delivered by good and competent teachers well-versed in their respective subject-matters.
It all boils down to good governance. When a government is serious about the welfare of its citizens, it will put in place the necessary facilities to ensure the relevance of the nation in the long-run.