On my FRA-SIN flight with LH's A380 there was one exit row seat available on mini-Y cabin in upper deck. I choose not to take that seat despite having ample of legroom due to the fact of the missing window and instead was sitting with 300+ people in the main cabin.

No window - no enjoyment of the flight, at least during takeoff and landings.

You know, there is another aspect that I hadn't considered before. As a pilot, I like to know when the plane is going to touch down, and I like, at least on a peripheral level, being able to gauge that last few seconds before the wheels hit the tarmac. I can hear when the plane enter ground effect but not being able to see out during that phase of landing increases my stress level. Stupid, I know, but there it is...

Not stupid. I'm not a pilot but even I appreciate the situational awareness I gain from being able to see out the windows. And it's rare that open window shades creates a light problem so severe that I'd rather do without a nearby window at all.

Got a "missing window" seat assignment once because I forgot to check Seat Guru..........I was not impressed.

I once didn't do my research and got on a plane to realize that I was just sitting next to a wall. Worst flight ever. You have someone beside you and the wall on the other side just feels claustrophobic.

As a window person the other thing that bugs me is when I'm stuck in an aisle and the guy at the window gets on and immediately closes the window shade. :mad:

"window shade etiquette" has been cussed and discussed in numerous threads over the years; as is typical for pretty much any subject, people tend to get very vocal about their very strong opinions regarding one's "right" or "entitlement" to take action or to request someone else to take action

I'll close the shade PART WAY if someone asks nicely, but I booked the window seat because I like to be able to look out the window when I'm awake ... and yes, that even includes looking at the stars over open water at night

Missing window? As in when you are in first class and the suite is big and blocks your window view?