I doubt that "pleasure"/emotion conveyed in performance was encouraged.
After all, it was supposedly the Soviet "machine" that made such greatness "possible"; if the propaganda of the era was to be believed.
Lest you think that they were really stiff and emotionless, please listen to the commentary and narration in this clip;
Protopopov & Protopopov - 1984 World Pros, Pairs' Artistic Program
Fortunately, G and G were not constrained from expressing their emotions on the ice, some years later.