Indeed they have Glueball, from hard learned lessons that date from more than thirty years ago.
Stomp on the rudder at higher speeds in a swept wing heavy jet transport, and the results may well
not be to your liking.
Maybe...just maybe the younger guys will learn from this accident.
Ain't holding my breath however....from some of the comments on PPRuNe, many of these same younger guys already know it all...