I would figure cost and time. Poachers are looking for a quick payday and having to do this would cost additional time & money that will drive them elsewhere.

I would figure cost and time. Poachers are looking for a quick payday and having to do this would cost additional time & money that will drive them elsewhere. Sort of like the adage of the best security is being less of a target / more of an annoyance to rob than your neighbor.