Steve Rogers is like a tired middle aged suburban dad that has to raise five children on his own and literally nothing they say or do surprises him anymore. He just living in a constant state of mild annoyance and deep resignation
The problem with this is that The Winter Solider is a villain. Bucky isn't, but Bucky isn't always there in The Winter Solider. It's an uneven balance and when ever Bucky starts to appear they wipe his mind. The Winter Solider is a villain.