Rear Suspension Shock Absorber problems of the 2007 Audi RS4

Suspension component failure leading to leaking shock absorber. Problem acknowledged by Audi as a known design defect and shocks replaced under their campaign, "43a9 dynamic ride control suspension service". After new shocks the car does not track center, pulling to right at highway speeds and erratic swaying/shimmying over uneven pavement. Steering and suspension feels loose and nervous at highway speeds; causing frequent lane excursions. Audi denies any defect in "improved shocks" or in replacement process (ie no suspension alignment included). Audi proposes that the consumer pays for an alignment job out-of-pocket.