The tracking may be within spec, but you ask them to give the car some (more) toe-in at the front to make it less "nervous".
Part of the "problem" might just be the fact that the car is very willing to turn-in and change direction. Lovely when you want a sporty and direct feel, but less pleasant when you just want to cruise.
My Impreza sniffs out and follows ruts and cracks that I cannot even see, but then again I have tuned my wheel alignment for moderate track use, so I know why it does it! Feels very alive and always willing to turn-in and even tighten the line mid-bend...but highway journeys demand focus on the helm or the car will wander off.
I am not sure what the alignment specs on the new cars is, but it used to be 0.0 toe all-round, and adding just a smidgen toe-in to the front wheels will calm your car down, without reducing grip.