On Nov 5, 3:26 pm, wrote:

Most of the engineers that I worked with at Boeing felt this was a
mistake, as the suppliers tend to be self-serving and don't always
have Boeing's best interest in mind. They also don't play well with
each other like they must to successfully integrate the systems, and
Boeing engineers are often needed to mediate between suppliers.

That may or may not be in this case but the idea of outsourcing is
that you create a relationship between the companies where their
successes are based on each other (both on equal footing). If GM had
to make all the parts for your car the company would be so large it
would have no chance to work.

-Robert