Actually there have been displays away from the 5th for decades
Here is a list for bonfires and carnivals in 2012 but most have been holding events for a very long time but most don't hold events on the fifth because they can't compete with Lewes...
How is it celebrating a terrorist? It's celebrating the failure of a terrorist plot to destroy the Government and the king of this country - surely it's failure is something that's worth celebrating??
This programme demonstrates what would have happened to the houses of Parliament had the plot...