Why has Ngugi wa Thiong'o's suggestion on African languages been ignored?

Renowned author Prof Ngugi wa Thiong'o arrived and addressed Kenyan readers druing the launch of his book Kenda Muiyuru by the East frica Educational Publishers at the Kenya National Theatre. [George Orido, Standard]

It is quite a while since Ngugi wa Thiong'o decided in 1977 to abandon writing in English - the linguistic vehicle which had propelled him to the global podium of eminent writers - in favour of his native Gikuyu, a language spoken and read by a tiny sprinkling of the world's population.

As a genre outsider intruding into a topic about which many acres of commentaries have been written by the big names in the business, I feel the apprehension of a tenor performing in a major opera attended by dignitaries. I could accidentally crack a note and ruin the show.