"We believe that nations are ordained by God and that they will be there at the end of times, so logically from that all nations have the right to ensure they survive and are not simply swamped by an endless flood from elsewhere."If this is the sort of nonsense he is spouting just put him on TV every night and he'll soon be a laughing stock.
When, at what point in history, for instance, did God ordain the "nations" of the world and which was to live where? The so-called "British nation" of which Griffin seeks to be the champion is a product of history, not the creation of some god. If you go back only 2000 or so years most of the inhabitants of this island off the north-west coast of Europe were Celts, speaking a language akin to modern Welsh. They were eventually conquered by the Romans who came from Italy (but whose troops and settlers came from all round the Mediterranean and beyond). When the Romans left there was a "endless flood" of Angles and other Germanic-speakers into "Britain" (a word of Celtic origin) who eventually drove the Celtic-speakers to the Celtic fringe of Cornwall, Wales and Cumberland. Then came the Danes from Norway and Denmark. Then England (or Angle-land, as it was now called) was conquered by the French-speaking Normans. And the English-language evolved, a basically Germanic language with a large French vocabulary. It didn't stop there, with later migrations of Flemings and Hugenots.
Daniel Defoe wrote a poem about this which is still a good reply to nationalist myth-makers like Griffin.
As we have always said, the best way to deal with Griffin and his followers is not to ban them or kick their heads in but to put them on a platform and expose the nonsense they spout for what it is. Easy.