The Niners beat the Panthers in the playoffs. Not sure how you can consider them better. Wins and losses must mean nothing to you.
Besides the teams you all named that didn't make the playoffs after Superbowls or whatever either have extremely inconsistent QB's (Manning) or key players (Kurt Warner) left.
The Niners have the same coaching staff and basically the same team other than a couple upgrades at RB and WR and a couple downgrades at CB and LB until Bowman gets back. This team is built to win for a long time as long as Harbaugh stays around. They are so stacked that they draft injured would be low round draft picks in the later rounds and stash them for the next year. Barring an injury to Kap, they win 10 games minimum.
Team has 13, 11 and 12 wins the last 3 years. I don't give a rats ass where their offensive or defensive rankings are. They win and they win a lot.