I’d agree that Gorbachev had no intention of changing anything.
He also was not the first Russian General Secretary. While Khrushchev and Brezhnev were both from Ukraine, both were ethnic Russians.
Ivan tries to give the credit to Gorbachev because he wants to deny it to Yeltsin, who is to be denounced as a western pawn.
While Khrushchev and Brezhnev were both from Ukraine, both were ethnic Russians.==
It is not true.