Just one piece of food for thoughts in the whole "canon is so passive with mirrorless".
While I agree on the analysis of the current market, you can't say that canon already lost the segment like I see some say here already.
From a business point of view, there is no or little point being the first or dominating the early adopter market. With a strong brand name, you just need to drop the killer product with good timing: at general adoption. If smartphone and tablets markets taught us one thing, this should be it.