If there is a useful idea about the future which triggers no ridiculous or improbable filters, doesn't that imply many people will have already accepted that idea, using it and removing the profit from knowing it? To make money, you need an edge; being able to find ignored gems in the 'possible ridiculous futures' sounds like a good strategy.
An idea can still be useful even if everyone else knows about it too. Life isn't a zero-sum game.
Here's the new thread for posting quotes, with the usual rules: