Re: 'Murica never ceases...
In the US, there are a variety of laws concerning what can be hunted and when due to the variety of jurisdictions.
On that note (and I agree with your other comments).. What happens on private land? So assuming a large enough chunk of land to support a deer herd, would culling be a matter for the land owner, or would that still be permitted/regulated? I'm assuming a sensible landowner who understands why there are closed & open seasons. At least in the UK, poaching's traditionally been for food rather than trophies though.