The teacher says: "It is not correct this
The student says: "Grandmaster X performs it
The teacher says: "This is not good."
The student says: "Grandmaster Y makes it
The teacher says: "This is wrong."
The student says: "Grandmaster Z does it
all the time."
Both of them are right. But if you assemble the wrinkles
of fashion model A, the crow's feet of model B, the bulimia of model
C, the cellulite of model D, and the pimples on the buttocks of
model E, then you will not come up with a supermodel but with
the bride of Frankenstein.
Combining the flaws, shortcomings,
pecularities, and whatsoever of 6th, 7th, 8th and 9th Dan
grades will not result in a 10th Dan but in a 10th
Nobody is perfect, and often the high quality of things
derives from the bigger picture. It is very detrimental if role
models are misused to gloss over or justify one's own
faults. Role models are useful if one picks off their good qualities
or if they are considered as a whole.