Gershon Legman wrote an article called “The Comic Books and the Public” in the July, 1948 issue of the American Journal of Psychotherapy. Because comic books contained aggressively violent content, Legman vilifies the readers as channeling aggression "against parents, teachers and policemen who are the real sources of the child's frustration, and therefore the real objects of his aggression." Legman claimed that Superman's effect on an American child is worse than a Nazi's effect on a German child.
Hilde L. Mosse, M.D., in her article "Aggression and Violence in Fantasy and Fact" in the July, 1948 issue of the American Journal of Psychotherapy, she also vilifies comic book readers as "aggressive, and fantasying to commit an act of cruelty and cause pain in others."
Paula Elkisch, Ph.D, in her article "The Child's Conflict about Comic Books" in the July, 1948 issue of the American Journal of Psychotherapy, she said that comic books motivated dangerous imitation.
Marvin L. Blumberg, M.D., his his article "The Practical Aspects of the Bad Influences of Comic Books" in the July, 1948 issue of the American Journal of Psychotherapy, claimed that comic books "awaken the sado-masochism which lies dormant in children."
John Mason Brown wrote an article called "The Case Against the Comics" in the March 20, 1948 issue of the Saturday Review of Literature. John Mason Brown ranted, "The comic books… seem to me to be not only trash but the lowest, most despicable and most harmful and unethical form of trash.”
Judith Crist wrote an article called "Horror in the Nursery" in the March 27, 1948 issue of Collier's Weekly. Crist said "There are books of well-known comics which make life better by making it merrier. There are others that make it clear, even to the dullest mind, that crime never pays. With such there is no quarrel. The books deplored here are those which attempt to make violence, sadism and crime attractive, which ignore common morals, which appeal chiefly to the worst in human nature. "
Yet Crist quoted Fredric Wertham extensively in the article. Wertham blamed comic books as the inspiration for all youth crime.
Fredric Wertham was a German psychiatrist working as the senior psychiatrist at Bellevue Hospital and LaFargue Clinic in New York psychoanalyzing mentally disturbed people and blamed comic books as the cause.
An article called "Puddles of Blood" in the March 29, 1948 issue of Time magazine basically regurgitating various ideas from Wertham's symposium.
In October 26, 1948 comic books were burned in Spencer, West Virginia. American citizens began burning books like Nazis. Comic books were also burned in Binghamton, New York, featured in the December 20th, 1948 issue of Time magazine. In Rumson, New Jersey, a group of young Cub Scouts conducted a two-day drive to collect comic books, which would be burned in Rumson’s Victory Park. The Scout that collected the most books won the right to light the blaze. At the last minute a decision was made to recycle and not burn the books. In Cape Girardeau, Missouri, a troop of Girl Scouts collected comic books and brought them to students at St. Mary’s, a Catholic high school, where a mock trial was held and, after finding the books guilty of “leading young people astray and building up false conceptions in the minds of youth,” the comic books were burned. In Chicago, a burning was organized by a Catholic Diocese. In Vancouver, Canada, nearly 8,000 comics were set ablaze by the JayCee Youth Leadership.
There were many comic books that were forced out of distribution because many stores wouldn't carry them any longer due to such public disdain.
Harold Chamberlain, DC's circulation director in the Golden Age, explained in 1954 at the senate hearing, "We had an experience just yesterday where our Wholesaler in Cleveland, Ohio, called me to tell me that, because of the adverse publicity toward comic magazines that appeared in the paper in Cleveland, he had one of his larger dealers who operates 4 or 5 supermarket outlets, and who is doing a tremendous volume on comics, call him up and discontinue all comics. He said he would not be bothered trying to disseminate what was good and what was bad. Our wholesaler could do nothing about it. He had to take out all of the comics that the man was handling, and he was selling vast quantity of them."
The people against comic books seemed to think that all comic books were aimed strictly for children, rather than all-ages. This book excerpt is from Comix: A History of Comic Books in America by Les Daniels.
In his autobiography Batman & Me, Bob Kane in fact explained that Batman and Robin had been intended for two audiences, both adults and kids.
A lot of my information is from the book Of Nightingales and Supermen: How Youth Services Librarians Responded by Carol Tilley.
Demanding Respect: The Evolution of the American Comic Book by Paul Lopes.
The Ten-Cent Plague: The Great Comic-Book Scare and How It Changed America by David Hajdu.