Because people keep confabulating the two.
Taking game off your land is not a crime.
You all sound like people who own beach front property and think they can keep people off of "their beach"
Public rights and public beach access are not abridged just because you purchased the adjacent land.
Game remains a public property,a public resource, even on your private land.
Yes, you can control access to your land. But you will never own the wild animals on it.
It is an important concept that the entire hunting community used to understand.
I'm just not seeing it voiced here.