>This is the problem that I have with the whole notion of 'first amendment = trump card'. If he were British and self-published from a >laptop within the UK then he would be arrested for hate speech, and that would be the end of him and his book(s).
Yes, and if English-Welsh law governed Wikipedia he could then sue for libel and have all that reliably-sourced critical material removed regardless of it being truthful, and then make sure that the fact that it was removed cannot be reported in any news article that would show up in search results due to some “’right’ to be forgotten”.
 
Daniel Case