These seats are more expensive due to the extra legroom. They tend to be the last ones available to people who didn’t bother to buy a specific seat on cheap airlines, so if you check-in at the last moment you may get some unsold “high value” seat assigned on your boarding pass.
Fuck airlines that make you pay to get a standard seat, quiet at the back of the plane.
Prius Dwellers are probably the most hardcore at that