Yes, hunting "public" can be significantly more challenging than shooting birds/deer in someone's pasture. But, to paint another picture, there's always the guy who sets up almost within sight of his vehicle, just asking to have another hunter wander into him. Not so much a problem during deer season, thanks to blaze orange clothing requirements, but can get kind of spooky with turkey hunters.

The more difficult the terrain is to hunt, generally the fewer hunters you'll find there.