Gillette’s recent “The Best A Man Can Be” ad has caused a lot of controversy.  Most people seem to be relying on their own personal opinions and preferences to criticize (or praise) the effort. But I thought it would be more helpful to examine the ad from an advertising strategy perspective and try to identify takeaways that would help other advertisers.  Given that the biggest day of advertising in the U.S. is coming up on Sunday, Super Bowl LIII, and…