>>26256361) Because Canon still makes class-leading bodies, because they make amazing lenses with a huge variety, and because Canon Professional Services is peerless. Also because they were a smart choice for about twenty years, and it's not so easy to up and switch systems.
2) Because their sensor tech is lagging behind Fuji and Sony. DxoMark also has inscrutable criteria for their rating system, so take anything they say with a grain of sand.
Before anyone accuses me of being a bitter canonfag, I'm actually a heavily invested Nikon shooter.