Why so many abbreviations in NOTAMs, etc.?

In rec.aviation.piloting Mxsmanic wrote:
Jon writes:

Changes to operational systems are co-ordinated very carefully as
there's much more at stake than just a software/hardware upgrade.
Requirements trace well beyond the nearest neighbor sometimes you
don't just do it because you can or it because it's cheap or because
it's cool or because someone proved it could work in a simulated
environment.

Then why do people buy G1000s?

Hint:

"operational systems" = ATC and all associated facilities and activities
such as FSS, NOTAM, METAR, TAF, etc.

G1000 = what some guy puts in his airplane.

--
Jim Pennino

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