It is the height of folly to run a race you know you can't win. One should only attempt to gain political office when one is reasonably confident of victory. Doing otherwise only exposes weakness.
When one bans something offensive or controversial, it does not actually address the core problem. Imagine if a doctor told a patient with aids who was covered in sores that the solution was to wear makeup to conceal the sores instead of attempting to slow the spread of the AIDS virus. That is what one does with censorship. One can ban the public expression of an idea, and sometimes in an extremely totalitarian society, the private expression of an idea, but it is not yet possible to ban the personal expression of an idea. It is vital to win the argument with nazis, religious nihlists, cultists, communists, neo-liberals, and lunatics of all manner and shape. By supressing them, they fester. They become more unchecked, insular, and radical. Engage and destroy their beliefs in a systematic manner.