The tide going out won't stop them trying. They will find (or plant) a story to validate their attempts to broaden laws against incitement to hatred. I wouldn't be too complacent about the US where all it will take is an amendment to the Constitution supported by a majority of the electorate (the popular vote). All they have to do is add the pizzagate nonsense to the IS propaganda and sell it to a nervous electorate while spinning it as being in the interests of public safety and they will get enough support from both sides of the aisle in the Congress to "let the people decide". It might not happen during Trump's presidency but that would depend on how secure he feels.