If you look at section 5 of the Canada Transportation Act, in large measure, decades ago, decisions were made to privatize the transportation system in general. Section 5 is consistent with that; let the market work. In instances where we have market failure or the market doesn't work, there's perhaps a monopoly situation created, which creates an inefficiency in the system. In simple terms, the market is broken at that point. To the extent that interswitching provides more than one option for a shipper, one could make a strong argument that that is beneficial overall to the market, to the economy, and to the smooth flowing transportation system.
On September 20th, 2016. See this statement in context.