One is that by the time parents realize its use is disappearing, it is already too late. The second factor is the overwhelming power of English, a power felt today across the world. It's not just that English is the language of Shakespeare, and Ernest Hemingway, and Margaret Atwood. It is also the language of Coca-Cola, and the Apollo program, and Bill Gates, and Michael Jackson, and Disney World. English is the language of power, and of glitter.
Parents use English to link their children to the source of power.
However, many people believe that Inuktitut will be a source of strength to Nunavut. Education comes to mind immediately. Research and development in Inuktitut curriculum began soon after the birth of the NWT Department of Education in 1970, and has continued. A training program for Inuit teachers teaching in Inuktitut was started in the early 1980s. But there is still room for improvement.