KING6024 and joy ride, it comes down to individual airline policies (if they actually have one) and even more often the individual policies of the CSMs. Some airlines are a little more relaxed about blinds during daytime operations. I recently returned from NRT to AMS (in C), on a daytime flight. The pax in row 1 had their blinds up the entire trip. They were not bullied to close them by the CC.