Yes, because the draft lets them tell you what to do. When you vote, you tell them what to do.

You can see the obvious problem with that.

Obviously. To minimize the effect of what little say citizens have, you make it as difficult as possible to vote.

Given that the existence of the US as it is (i.e. 5 companies in a trench coat) is completely dependent upon continued neo colonialism, I'm surprised it took this long to auto-enroll citizens for the draft