The comments that are typical of a comparison is the same as the audiophile comments. It's ALL about specs with these guys . Let's just say that the proof is in the pudding. It's the user's experience with what camera is the best for their usage. If you are listening to the constant complaints that Canon is behind on the technology specification front, you will be subjected to a host of reasons that the Canon camera's aren't keeping up with the other brands, so they proclaim Canon as "junk". A comparison of a couple specification differences is proof enough for them that the Canon sucks based on these (all but) meaningless specifications, so you will be confused as to why Canon is the leading brand of camera's in the world.
An audiophile amplifier that has great specs can sound horrible, but the advertised specifications are looking good, so people fall for this ploy to believe that specs mean everything. They will buy a $200 AVR and claim that it sounds much better than that "POS" McIntosh that has a single spec that is not impressive, and that's all the proof they need to "prove" their case. It's the same thing with cameras.
The Canon camera's are sometime lacking in a certain specification (on a spec sheet) by a minimal margin over a competitor, but it will capture over 90% of the images taken as "keepers" over one of the competitors that only gets 75% of attempted captures to be keepers. Sony's images look great on paper, specification wise, yet the colors are muted and don't have that pop that the Canon's images have, added to the fact that the keeper rate is way lower than the Canon, so you end up missing a lot of shots that the Canon captured, and one of those missed captures can, and will, make or break the photo shoot. That is just a fact.
Not to sound preferential to Mr Northrup here, but Tony Northrup made a comparison of the Canon 6D Mk II when it first came out that was leading you to believe that it was a total POS, based on a 100 ISO image that looks substandard on a spec sheet to some competing companies comparable cameras. In a future review, he had to apologize for making the 6D Mk II look bad, when in fact it is his favorite model now. The reason? It actually provides him with much more satisfaction as an overall package as a usable camera, with stunning results.
This is typical of some of these reviewers who are just hell bent on comparing specifications when reviewing camera bodies. You cannot tell what a camera will do in the hands of a competent photographer until you use it, and share/compare the results. The "One liner" commenters who like to say that "Canon blows", or "Sony is king", are just blowing smoke. All of the current camera's have strengths and weaknesses, but they all are capable of taking great captures (or they would't be marketed as such).
With Canon being the number one manufacturer of digital cameras today (without mentioning that they have just entered into the full sized mirrorless digital camera bodies about a month ago) and the fact that they have the largest selection of great glass (that would be lenses), the Canon lineup of digital cameras cannot be called substandard with any kind of responsibility. It is just a revelation of a commenters naivite to claim that some other company has a better overall lineup. The sales numbers show that there are plenty of brands of digital cameras out there today, but people are buying Canon cameras more than any other brand.
The latest smear is that the Sony (mirrorless) cameras are spanking Canon camera technology, but that is amiss of the fact that Canon has just introduced their first mirrorless full frame body, so it's an apples to oranges comparison up until now. The Sony mirrorless full frame cameras produce excellent images, color technology aside (Canon still has better color management than Sony), but Canon hasn't even entered into that market until very recently, so to claim that Sony is better than Canon is just plain ignoring the facts about the equal comparison of brands in that particular arena.
Just give Canon a chance, and they will no doubt put up very competitive mirrorless full frame cameras along with the myriad of other camera bodies they currently produce. The fact that the Canon is the top seller speaks volumes as to it's place in the digital camera world.