Check out this thread on a Chargers message board. It's not all of them but thee are several that thought that was deciding factor.
http://forums.chargers.com/showthread.php?t=102093
Here's their post game thread:
http://forums.chargers.com/showthread.php?t=102130
By no means to I think this is unique to the Charger fans. It can be found everywhere including Denver fans.