Nobody cares about your opinion unless they ask.
And even then, they might not really want to hear it.
On numerous occasions, I’ve watched newbies make the mistake of either sharing too many of their thoughts, sharing too little, or just plain saying the wrong thing at the wrong time.Read the rest over on The Black and Blue. And while you're at it read this article there too: "10 Ways to Guarantee You Never Work On Set Again." Don't be the newbie who shoots off his mouth on set and squashes his career before it even starts.