Dixie cups, I never put those water anywhere close to my mouth.
Just get a little bottled water before you go brush your teeth.
Meal options, Japan routes are still offering the Japanese meal selection, and it's fairly nice. However, I do think other Asian direct routes (China, and Korea) needs some kinds of improvement. -> I suggest work with local Skyteam carrier to develop the new menu.^
Wet towels, I'm not too sure which one you are talking about, but I think you are mentioning the "Domestic Hot towels", and they are supposed to be thrown away after each use. (personally never seen a used towel laying around)
Moving maps, well it sucks if its not working, but its not end of the world. I wonder if the crew tried to reset your system. often the issue is solved that way.
Seat power & Lounge location, if the one is interested in using it, and can't find it, there are people to answer the question. not a problem for "Most" people.