Just to further my point if I may,
The following is the all-time playoff standings (by wins not winning pct.):
1. Cowboys.................32-24
2. Steelers..................28-19
3. Raiders...................25-18
3. 49ers.....................25-17
3. Packers.................25-15
6. Redskins...............23-17
7. Patriots................21-13
8. Dolphins..............20-19
8. Giants.................20-23
10. Rams................19-24
11. Vikings.............18-24
12. Broncos...........17-15
12. Colts................17-17
12. Eagles..............17-17
15. Bears...............16-17
16. Bills..................14-15
16. Titans...............14-18
18. Browns............11-20
19. Chargers.........9-14
20. Jets.................8-11
20. Chiefs..............8-13
22. Lions.................7-10
22. Seahawks.........7-10
24. Panthers.............6-3
24. Falcons................6-8
24. Buccaneers.........6-9
27. Jaguars...............5-6
27. Bengals...............5-8
27. Ravens...............5-3
30. Saints.................2-6
30. Cardinals...........2-5
32. Texans...............0-0
So ONLY the Houston Texans have less postseason wins than the Cardinals.
A team that has been in existence since 19 freakin' 20!!!!