NFL - Does performance in the regular season vs playoff teams matter?

NFL teams in the Super Bowl era. 

Does it matter how well each Super Bowl participant did in the regular season vs teams that made the playoffs that year?

The results say no.

Record vs playoff team

Super Bowl winner - (146-97-0, .601)

Super Bowl loser - (153-99-1, .607)

Virtually identical

TEAM	YEAR	SB - WL	G	W	L	T	PCT
TAM	2020	W	6	1	5	0	0.167
KAN	2020	L	4	4	0	0	1.000
KAN	2019	W	6	3	3	0	0.500
SFO	2019	L	5	3	2	0	0.600
NWE	2018	W	4	4	0	0	1.000
LAR	2018	L	7	4	3	0	0.571
PHI	2017	W	3	2	1	0	0.667
NWE	2017	L	7	5	2	0	0.714
NWE	2016	W	5	4	1	0	0.800
ATL	2016	L	4	2	2	0	0.500
DEN	2015	W	7	5	2	0	0.714
CAR	2015	L	4	4	0	0	1.000
NWE	2014	W	5	4	1	0	0.800
SEA	2014	L	6	5	1	0	0.833
SEA	2013	W	5	3	2	0	0.600
DEN	2013	L	7	4	3	0	0.571
BAL	2012	W	6	2	4	0	0.333
SFO	2012	L	5	3	2	0	0.600
NYG	2011	W	4	1	3	0	0.250
NWE	2011	L	3	1	2	0	0.333
GNB	2010	W	6	3	3	0	0.500
PIT	2010	L	6	2	4	0	0.333
NOR	2009	W	4	3	1	0	0.750
IND	2009	L	4	3	1	0	0.750
PIT	2008	W	7	3	4	0	0.429
ARI	2008	L	5	1	4	0	0.200
NYG	2007	W	6	1	5	0	0.167
NWE	2007	L	6	6	0	0	1.000
IND	2006	W	5	4	1	0	0.800
CHI	2006	L	4	3	1	0	0.750
PIT	2005	W	6	2	4	0	0.333
SEA	2005	L	4	2	2	0	0.500
NWE	2004	W	6	5	1	0	0.833
PHI	2004	L	4	2	2	0	0.500
NWE	2003	W	5	5	0	0	1.000
CAR	2003	L	4	1	3	0	0.250
TAM	2002	W	6	4	2	0	0.667
OAK	2002	L	4	3	1	0	0.750
NWE	2001	W	5	2	3	0	0.400
STL	2001	L	7	6	1	0	0.857
BAL	2000	W	3	1	2	0	0.333
NYG	2000	L	4	2	2	0	0.500
STL	1999	W	2	0	2	0	0.000
TEN	1999	L	4	3	1	0	0.750
DEN	1998	W	4	3	1	0	0.750
ATL	1998	L	5	3	2	0	0.600
DEN	1997	W	5	2	3	0	0.400
GNB	1997	L	8	7	1	0	0.875
GNB	1996	W	6	4	2	0	0.667
NWE	1996	L	7	4	3	0	0.571
DAL	1995	W	7	5	2	0	0.714
PIT	1995	L	4	2	2	0	0.500
SFO	1994	W	5	3	2	0	0.600
SDG	1994	L	5	3	2	0	0.600
DAL	1993	W	6	5	1	0	0.833
BUF	1993	L	6	3	3	0	0.500
DAL	1992	W	5	3	2	0	0.600
BUF	1992	L	6	4	2	0	0.667
WAS	1991	W	6	5	1	0	0.833
BUF	1991	L	6	4	2	0	0.667
NYG	1990	W	7	4	3	0	0.571
BUF	1990	L	7	4	3	0	0.571
SFO	1989	W	5	4	1	0	0.800
DEN	1989	L	5	2	3	0	0.400
SFO	1988	W	5	3	2	0	0.600
CIN	1988	L	6	4	2	0	0.667
WAS	1987	W	1	1	0	0	1.000
DEN	1987	L	5	2	3	0	0.400
NYG	1986	W	4	4	0	0	1.000
DEN	1986	L	6	3	3	0	0.500
CHI	1985	W	5	4	1	0	0.800
NWE	1985	L	7	2	5	0	0.286
SFO	1984	W	5	4	1	0	0.800
MIA	1984	L	3	2	1	0	0.667
RAI	1983	W	7	4	3	0	0.571
WAS	1983	L	6	5	1	0	0.833
MIA	1982	W	5	3	2	0	0.600
WAS	1982	L	4	3	1	0	0.750
SFO	1981	W	3	3	0	0	1.000
CIN	1981	L	4	3	1	0	0.750
OAK	1980	W	5	1	4	0	0.200
PHI	1980	L	6	3	3	0	0.500
PIT	1979	W	6	3	3	0	0.500
RAM	1979	L	5	1	4	0	0.200
PIT	1978	W	5	3	2	0	0.600
DAL	1978	L	6	3	3	0	0.500
DAL	1977	W	3	2	1	0	0.667
DEN	1977	L	5	3	2	0	0.600
OAK	1976	W	2	1	1	0	0.500
MIN	1976	L	2	1	0	1	0.750
PIT	1975	W	3	2	1	0	0.667
DAL	1975	L	3	2	1	0	0.667
PIT	1974	W	1	0	1	0	0.000
MIN	1974	L	2	1	1	0	0.500
MIA	1973	W	3	2	1	0	0.667
MIN	1973	L	3	2	1	0	0.667
MIA	1972	W	0	0	0	0	0.000
WAS	1972	L	3	2	1	0	0.667
DAL	1971	W	2	1	1	0	0.500
MIA	1971	L	2	1	1	0	0.500
BAL	1970	W	2	1	1	0	0.500
DAL	1970	L	1	0	1	0	0.000
KAN	1969	W	4	2	2	0	0.500
MIN	1969	L	2	2	0	0	1.000
NYJ	1968	W	2	1	1	0	0.500
BAL	1968	L	2	1	1	0	0.500
GNB	1967	W	2	1	1	0	0.500
OAK	1967	L	1	1	0	0	1.000
GNB	1966	W	0	0	0	0	0.000
KAN	1966	L	2	1	1	0	0.500