The big problem is when the 5DmkII came out nearly four years ago it's specs and price exceeded everyone's imagination.
Now we have cameras for multiple target markets and price points that are coming in below expectations- either overpriced or oddly configured.
People want a revolutionary product for an amazing price. We live in a day and age where companies like Apple set consumer expectations very high and if a company like Canon isn't completely breaking the mold with every release, they need to turn on the PR machine or create a reality distortion field with their launches.
At the very least they need to educate consumers on the refinements that have gone into the products. How many people know what went into the 1Dx? If you glance at a spec sheet, you might miss it – The New Canon 1DX