I hate that the 787's electrically dimmable windows can be centrally controlled! Yeah it makes sense that they are "locked open" during takeoffs and landings, but horrific when you want to look outside to see the stars and the coffee-cart pushers have locked them for the night.
I'm sure it's not only United, but keeping the windows dimmed the entire flight seems to me more like reducing the workload of flight attendants (making everybody sleep more) on ultra-long hauls so they can spend more time in the back gossiping back whatever they like to gossip about.
