Scared for what? Don't be. You're not a criminal nor am I, so chill out as this is a place where you can speak freely (by saying freely, I mean with facts and evidences). If what you've spoken does not butthurt anybody intentionally (or even if it does in cases where you try to expose some scams), it's fine. I'd say nobody's a born expert and everyone learns from their mistakes. Be concentrated towards your goal and your name will also be called among those big experts some day soon based on your experiences.