Amuro stole the Gundam, the most powerful of the three Federation mobile suits that's chock full of classified as shit technology and spent like a week sulking in the desert while the White Base got it's ass kicked repeatedly
Like, Amuro's situation is fucked where going AWOL with the Gundam is definitely Not Good and there needs to be consequences but at the same time, this was a kid pressed into service into the highest pressure piloting job in the entire Federation
But the people piloting it, maintaining it, and the carrier they're stationed on are basically just people and are subject to the stressors of conflict both from within and without
Origin, which is a later manga adaptation, has them start out with more Guncannons and Guntanks... and by the time they're done with Ramba they're scavenging the blasted remains just to get anything working
AAAAAAA