Steve Rogers has gotten used to being chased by testy brunettes. Bucky Barnes: "STEVE NO". Peggy Carter: "The plane is the other way Steve". Sam Wilson: "I will kill your star spangled ass Rogers". The Winter Soldier: *angry soviet noises*<<<Our fandom.
This shows you that Bucky and the winter soldier are not the same person, they're two different people and Bucky was a victim. But that doesn't mean he doesn't feel bad for what the winter soldier did and that hurts