CNN article on problems in Air Travel, as seen by FAA

Airbus writes:

Well, airports themselves don't fly, but concerning approach paths, how about
the fact that non-overlay GPS approaches use different paths from other
existing approaches. Does that make it more clear?

What's clear is that GPS cannot come close to matching the precision of ILS.
Augmentation systems essentially reproduce many of the disadvantages (and
advantages) of ILS.