To play devil's advocate, we (USA) have a volunteer military. Even if you think it's a "poverty draft" driven by structural unemployment and dearth of opportuni

To play devil's advocate, we (USA) have a volunteer military. Even if you think it's a "poverty draft" driven by structural unemployment and dearth of opportunities in left behind cities and rural areas it's still not conscription. How should the military fill its ranks? Would you rather have a lottery?