And he says up front
No-one doubts the Nikon is better, but everything Arash says refers to extreme situations and he has been quite open about that, and specific to BIF ( he even describes the differences in how they work and how that impacts BIF). And he has repeatedly says that for a vast majority of shooters (even a vast majority of BIF), the difference in the systems is not the important factor.
Yes, the Nikon is superior, but that is massive difference to saying Canon has 'a problem'. I can almost guarantee that if you managed to use both systems side by side to you would not notice any difference in keeper rate.
But hye, you continue on your path of confirmation bias....