DougU, I think he is talking more about people who bring it out a month before season and shoot it once or twice before they go out thinking it is a crossbow.
I do know a guy who sights his weapons on one day a week before season and that is it. He is in his 60s and spent a lot more time with them when he was younger. Once he shot a single shot with his muzzle loader at 125 yds, it was on target and he put it aside satisfied. He has hunted at least twice as long as I have been alive and no reports of him wounding anything that got away, so I can't judge. I know others who don't shoot well enough to be able to zero their shotguns at 45 yards with $50 worth of sabotted slugs.