Your question is not bad at all: the clear answer - nes ;-)) So yes: there are formulations in the Conscription Act that contradict each other somewhat.

All GERMANS within the meaning of the Constitution are affected. This could very well include migrants who have either been naturalised or have dual citizenship. And that's where it gets complicated... The former would be fully liable for military service, the latter would probably be prohibited from performing military service in both countries...