Not surprising given how bad they are at their jobs. Carmen, a top pilot, is unable to dodge an asteroid with plenty of warning time. Two dropships crash into each other in the Klendathu drop.
When Ace gets his hand skewered with the knife, it’s played as a cool badass lesson for rookies. But he actually was asking a great question, and their training is terrible at preparing them for combat against their actual enemy.
Ultimately, the fascist society loves war for its own sake. They love abusing each other and the aesthetics of war and the concept of eternal combat. As such, victory becomes tangential or even undesirable.