It's a culture thing.
The Green Bay Packers will enjoy a bye this weekend and it should give the front office and the coaching staff an opportunity to assess their priorities for the remaining four games of the season. Sure, they are still mathematically alive for the playoffs, but they have to know the odds of everything falling into place for them to make the post season are longer than the odds of Joe Barry winning the lottery and deciding to retire.
Which brings them to a basic philosophical question: How important is it really to win any or all of these last games?