The thing is its not a situation devoid of racism. Someone would have to be completely clueless to ignore that calling a black person "Jackie" that you're not particularly close with could easily be construed as racism.
Why do we give Donaldson the benefit of the doubt that he's smart enough to reference a three year old article and is solely riffing on Tim wanting to make baseball exciting, etc., but that he's not cognizant of how that can be interpreted? That's not something he's earned based on past interactions with this team and this player.