The most important thing we can learn from 587 - besides the importance of rudder load limiters - is that the NTSB's final ruling is never immune to outside political influences.

Translated:

Despite the fact that F/O Molin was completely unaware of the monster he was dealing with - AA's AAMP program provided a very nice and convenient outlet for the NTSB to use in pinning him the blame and protecting a very large and important aircraft manufacturer that provides a huge supply of aircraft to the world.