An examination of four hot issues from the San Francisco 49ers' 29-3 loss to the Seattle Seahawks:Tough nigh for Kaepernick: The 49ers were not good in any phase Sunday. This loss is not all on quarterback Colin Kaepernick by any stretch. But he was not good. At all. A week after he played superbly against Green Bay, throwing for 412 yards, Kaepernick threw for just 127 yards and committed four turnovers. His Total QBR was 14.0. It was the worst of his 12-start NFL career.