True enough. But all three of them at the same time?
There were two accidental shooting deaths here in the Houston area that come to mind and both involved just one individual. The first incident involved an older man who was taking his shotgun out of this vehicle at a local shooting range. He apparently had left the gun loaded since his last trip to the woods. Somehow it discharged while he was removing it, killing him. The second involved a local school teacher who had been duck hunting on the outskirts of Houston. He had placed his loaded shotgun in the bed of this truck, apparently pointed towards him. It discharged when his dog jumped into the back of his truck and somehow engaged the trigger, the blast killing him.
I suspect both of these men were seasoned hunters who simply made a lapse in judgement. We all know it's easy to do, perhaps most when we let an overconfidence in our safety awareness get the best of us.
Here's the link to the TPWD 2020 Hunting Accident Report for those who may be interested in reading about last season's reported incidents.
TPWD 2020 Hunting Accident Report