To refer to the oft mooted question, "Which piece is stronger, the Bishop or the Knight?" it is clear that the value of the Bishop undergoes greater changes than that of the Knight. ~ Emanuel Lasker
Now whether or not he is implying that is a positive or negative i do not know?
Could somebody please elaborate?
Boon Leong Louis Hor is rated 1690, born in 1954, and is from Malaysia.
https://ratings.fide.com/card.phtml?event=5736897