bad set up..
This was my first thought, the second a bird gobbles people often sit down and try and force to bird to come to them right there. No thought where he's going, what's in between them, what your view is from current location what his view will be as he approaches.
I also don't want to encourage people to bump a lot of birds but I see so many people who are afraid to move on turkeys or even push in close. You can hear them a long way especially early season and so many folks are content on if you can hear each other its time to set up. If you primary sit back 3-400yds it's going to be a lot harder to consistently kill birds because so much can happen as you try and drag them that kind of distance.
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