The reader reaction was decidedly mixed and swift. Almost half the comments were negative:
The lesson is that outright negative selling and trash talk leads to a double edge sword. People generally don’t like it and are put off. It makes the seller look petty and small. Always strive to highlight and discuss what makes your value proposition better and present your differentiation in a positive manner without disparaging the competition.
The same applies to your personal life. Don't talk negatively or take cheap shots about others behind their backs. Stephen Covey advised that you always speak about others as if they were present. Otherwise, your listener(s) will think that you will do the same to them when they are not around and view you as one not to be trusted.
So I also left my humble comment with Blackberry: