I'm writing to find out if anyone would care to comment about the ethical considerations involved when the news media, political organizations and/or companies and corporations respond to private criticisms made to social media outlets by the average Joe exercising free speech within its legal limits. I've seen increasing examples of organized groups publicly reacting to individuals' negative or critical comments (which were not directly aimed at them or intended to be viewed by the general public) not only to simply respond or defend themselves, but to fulfill or further their political agendas and promote their ideology (in other words, to use the individuals as scapegoats). The definitions of both libel and the First Amendment are generally clear, defining the limitations of "free" speech in the U.S. It seems to me extremely unethical (if not bullying and violent) for organized groups to react to critical social media postings by thrusting the individuals who made them into the national spotlight and publicly campaigning against them (see NJ special-ed teacher Vicki Knox and the TSA "poop bomb" Tweeter as examples). Do you agree?