It couldn't be that you disagree with CBC's objectivity and tendency to expose corporate malfeasance ?
And who would give news coverage AND entertainment across vast areas where a buck couldn't be made with advertising ?
During the last federal election, Alice Monroe credited the CBC with being the only purchaser of her early work, and that kept her in the swim, as she developed her abilities on the way to winning Canada's only Nobel in literature. 
Lets not shoot the national media informing the world's second largest country on a budget that's nearly the lowest, per-capita, of the advanced industrial world.