Originally Posted by
Gweilo
That's what I thought initially, but why not let Economy Comfort passengers sit in an empty seat?
If they need to remove the "reserved" signs, that's simple and no need to move passengers before take-off!
How would they be able to identify the passengers who paid if they weren’t sitting at their assigned seats. Of course they can move after takeoff: they just need to take the headpaper with them.