I'm afraid that I must take exception with the notion, "... every other Canon body is inferior compared to its Sony counterpart -- specifically the sensor. The Sony sensors are on another level, in the same tier as elite medium format sensors you find in Hasselblad and Phase One's."
Let me preface a bit; I own Canon dSLR systems (FF, Crop-H, Crop-C), a Nikon dSLR system (3-bodies, Crop-C), and a Sony Mirrorless system (2-bodies, Crop-C). I like them all, for different reasons, and I use them all for different circumstances.
Using DXOMark data as the arbiter information, and following this conditional statement: Canon dSLR vs Sony Mirrorless, 1D X Mark II vs A9. (original) (The A9 II has not been evaluated yet and the Canon 1D X Mark III is not even in production).
At DXOMark, choose those 2 bodies for comparison and then compare the two cameras' data on a chart overlay gives us a very clear view of relative merit for each imager/processor.
Starting with SNR (Signal-Noise Ratio):
Note the very similar slope and a slight advantage to Sony @ ISO 100-200, but I cannot find visible noise in either camera's images at those ISOs in real life. The remainder of the graph is simply too close to discern a winner.
Moving to DR (Dynamic Range):
The Canon moves ahead 1/2 stop in the ISO 400-800 range, but I doubt that you could see meaningful differences between the cameras. Once again the remainder of the graph is close with a minor bump ahead and near the bottom by the Sony, but I wouldn't trust either camera's reliability to provide much quality at these highest ISOs.
Tonal Range and Color Sensitivity, These last two charts are greatly affected by the default profile within the particular RAW image processing software you use. I have not found more than a gross similarity between DXO and Adobe RAW converters, and relatively small changes in global contrast can affect the results greatly. As long as these charts are in-the-same-ballpark for their respective slopes, I wouldn't place too much emphasis on absolute metrics. (You should be easily able to match the Tonal Range and Color Sensitivity without prejudice between similar sensors like those used in the 1D X Mark II and A9.)