Howard Schultz is worth around $3.4bn. While one might think that would make the former Starbucks CEO and would-be presidential candidate a “billionaire”, he would prefer you didn’t use that term. You see, while billionaire may seem like a simple descriptor, it is actually a disgusting slur. Schultz enlightened us as to the problematic nature of the b-word at a book event in New York last Monday. When asked by New York Times columnist Andrew Ross Sorkin whether he thought…