Of course that's not racist! White people can't play the race card.
/end sarcasm (with a little truth in it).
In all reality, if the commercial showed a white woman throwing a can at a black women, then our country would have lit up the press saying how racist this commercial was, and how demeaning it was.
Wonder why there's still racism? Because people keep bringing the shit up. If we dropped it, and stopped making biases or judgments on how racist something is, or pulling the race card when ever possible, or noting that "the first black person to blah blah blah," then it would fade out. We acknowledge the fact that someone is a different color and that's what keeps the racism alive.
Simple example: Barack Obama. First African American to hold office. He will be remembered as such, until we learn to look passed the bullshit we tag fellow man as, and recognize him as the 44th president.
Edit: The commercial isn't racist, but this is: