The issue is the parallel runway, not the traffic in front, which has a much larger separation. What the environment at SFO does not permit is for a pilot to be able to rely on the controller to guarantee separation from the airplane landing in parallel.
The other problem with the Lufthansa is, being a heavy, it needs to be the one staggered slightly behind the other aircraft for wake turbulence reasons.
The other problem with the Lufthansa is, being a heavy, it needs to be the one staggered slightly behind the other aircraft for wake turbulence reasons.