Bakugo's Anger: The Long Road to Punching Deku in the Face

Let’s get another thing clear: Bakugo’s frustration with Deku is coming from a very understandable place.

If you saw Bakugo coming down the street, you would cross to the other side of the road.

This is Bakugo coming to terms with Midoriya the Hero, not Midoriya the Childhood Friend, and letting go of his old preconceptions.