The main reason Harrison Bergeron is considered a threat in the eponymously titled short story is that he is able to rip off of his handicaps and make himself the self-proclaimed "Emperor," thereby removing control of the authoritarian regime that needs all of its citizens to weaken themselves and obey government commands.
It's a redundant sentence because it does not need to say "over and over" and "and repeated it. Also those two phrases are double negatives. It could also be called a run on sentence.
