Romney, the NAACP, and tactical booing

Everyone's seen the video of Mitt Romney being booed at an address to the NAACP where he promised to kill "Obamacare" (AKA Romneycare). But did he plan on being booed? "He's not likely to receive many black votes in any case, and boos would allow him to look principled in the face of opposition and bolster his image with independents and conservatives"