When commuting between the US and UK, I occasionally find myself in the rear of a 777. It is always a bad experience.
The yaw damping...at least, I assume that's what's causing it, wags the tail in the lightest of chop. On one occasion, my coffee was slopping 3/4" up the sides of my cup, for hours, for no apparent reason. I've almost reached the stage that if I can't travel near the front, I don't travel.
What the hell sort of aircraft/aircraft operation, is that? The unnecessary stresses on the airframe must sum over the years and be very detrimental.