I've been in the business forever and I've seen the evolution from copper to everything else. I think there's only one means to be able to have a sound investment for Canadians for the long term, and it's a wire. It's the photon going into a tube of glass. Nothing else can beat it terms of density, quality, robustness, and the long term and longevity.
Think about 50 years. Corning will tell you that there are networks that have been in operation for 50 years without any interruption and without any maintenance. If I had to put my own money into it, I would put money into fibre, no doubt whatsoever.