When a PGA Tour player says that he doesn’t pay any attention to the leaderboard, he might not be talking about the score. He might be talking about the unnerving sound the boards make when they update.
Tour Player Charles Howell says:
“People talk about how they don’t pay attention to leaderboards? They’re lying,” Howell once said. “Because when these leaderboards turn over out here, it sounds like machine gun fire. If you have a leaderboard right beside you, you’re ducking your first year on tour, because you have no idea what that noise is.”
But the Tour now is in the process of updating their boards to more modern technology. You can read more here.