The facts are far different, as Dinesh D'Souza points out in an excellent op-ed titled "Myths About the Founding." I hope you'll read it.
D'Souza correctly argues that the Founders deserve great credit for "a constitution that enshrined the noble principles of liberty and equality under the law."
Check out D'Souza's article (see link above) and, if you get a chance, pick up a copy of his uncompromising What's So Great About America?