It is offensive to call Nigeria 'Naija' - Prof. Dora Akunyili

Source: linda -

"It is very offensive to call Nigeria 'Naija'. We are making plans to write companies to stop using the word Naija. I have heard that name Naija in adverts. I want them to go back and remove that word. If anybody says this is Naija, ask the person, 'Where is Naija?' We have to stop this word because it is catching up with the young. If we don't put a stop to its usage now, it will continue to project us wrongly.” - Minister of Information and Communication, Prof. Dora Akunyili.

Seriously what is wrong with giving your country a nickname? How does it project us wrongly?
Isn't US called Uncle Sam or something like it?..:-)
What's your thoughts on this? Is calling Nigeria 'Naija' offensive?