Autorouting not equal to Real-Life Routing

Charts General
4

I downloaded the KML and CSV versions of the flights
GECX8160
LH8160_26586881.csv (35.7 KB) LH8160-26586881.kml (758.7 KB)
FDX7
FX7_2658d807.csv (40.4 KB) FX7-2658d807.kml (880.5 KB)