I love the armchair psychology.
I think most of Artur's attitude comes from resentment about how his and Yuzuru's respective careers developed. They competed as juniors, they started out practically from the same place (Worlds bronze) and yet Yuzu shot to the top like a comet whereas he fell like a stone. It makes him see all Yuzuru's faults and none of merits. The more successful Yuzuru is, the stronger the resentment and the stronger the blinders. Because I can't really explain his words if they were said after the 2015 GPF. On the other hand, Patrick was someone far ahead of him from the beginning so it's easier to appreciate his skating. (It also seems common that if you resent someone, you pick someone very different as your positive example - and I think this is the case here because Arthur's skating is/was nothing like Patrick's.)
Yuzu is free of that resentment towards anyone. It's probably easier to be apprecitive of your rivals being on the top and secure in the knowledge that if he doesn't screw up himself, he's capable of defeating them. But I must say I really appreciate it about Yuzuru that he can see the merits if his rivals and speak about them because thet's a great way to keep oneself from getting complacent and to learn.
This is something that really baffles me. Is it sour grapes for Mishin? Yuzuru's a technical wizard, able to do stuff Mishin's students can only dream of. He's loved
by the audience (not only Japanese) and commentators which implies considerable performance skills. Or is it realy the fact that one of these comentators is Tarasova?

Because how can he pass that attitude to his pupils? "Listen, kid, Hanyu is nothing special. Don't be like him. Don't do those +3GOE jumps that judges love. Don't have the audience going crazy for you. Don't win all those gold medals." :scratch: