This is why we never chew out trespassers. Impossible to watch over everything and if you get some weirdo manbitch all butthurt they might come back and shoot a cow or vandalize equipment.
The biggest problem with having a little land is fuuckhead people.
My son-in-law's father has about 100 acres that adjoins a wildlife management area. He has it very well posted. He takes the opposite approach. He goes utterly apeschit on them. He has yet to suffer retaliation. I reckon one day he just isn't going to come home.