Oh they don't like you talking, but they don't care otherwise. And in the US they only tell you to put laptops away because they are heavy.
First class they won't bother you at all haha. Different rules for different classes proves its not a technical thing.
I'm all packed now for 12 days in EU. 1 carry on bag houses all my stuff, 18 lbs. Not bad! Not sure what people are taking to need huge bags. I even brought some dress shirts just in case.