Youre correct that there was a purge of military in Nazi Era Germany, but beyond that you kind of misunderstand the very collaborationist relationship that the nazis and the existing military industrial apparatus. I would really suggest reading The Economy and Class Structure of German Fascism by Alfred Sohn-Rethel for a little bit of a contextualization of why what you’re saying is kinda surface level analysis. Separately I’d recommend Fascism and Social Revolution by R. Palme Dutt.
Because it is causing the issue by propping up an apartheid state and giving them the weapons they’re using to commit genocide