Since the Super Bowl Loss in the late 90's, what has Favre really done? As I noted in another thread, over his last 10 playoff games (dating through that loss) Favre won only three of 10 games and tossed 19 INTs.
Doesn't matter. He proved he could win it all by actually doing it. Marino never did, and he had plenty of chances.
Of COURSE it matters.It also matters that he proved he could win it all.
Then again, so has Eli Manning. I don't hear anyone saying that Eli is better than Marino because he proved that he could win it all.
Had Favre retired in 2000, his legend in some ways would be greater - because people would have used past performance and an indicator of future success. He still had a bunch of prime years left, but went too gunslinger and cost his team time and time again. 4 INT in a playoff game. 6 INT in another...
I hold Favre less responsible for not winning another Super Bowl than I hold him responsible for simply denying his team a chance to get there at times - even if he was also the reason they had a chance in the first place. This is why he is, in NO way, a top 5 QB, and only marginally a top 10 ever, if that.
Eli is a good example. He threw for more TD passes than Brady and his team won.When Marino faced Montana, he was drastically outperformed and the Dolphins got beat.
Give credit where it is due. Don't point fingers or make excuses like the Marino crowd.

By this logic string every QB that was outperformed should lose a super bowl regardless of how well his team plays. Dude you just don't get it.
Do you think going against the Dolphin D might have been a little easier than going against the Niner D? Perhaps a running attack that ran 35 times for 152 yards compared to Miami's 9 carries for 25 yards would be helpful? Perhaps if Miami's defense didn't get torched all day allowing 4 TD's in the first half, Miami wouldn't have to force the ball so much against and excellent defense? Not sure if you understand the meaning (most likely not), but SF accumulated 537 total net yards of offense (FIVE HUNDRED THIRTY SEVEN) against what you claim was a good defense. Just so you are aware, the SB record up to that point was 429 yards. SF offense blew the record up. Only a fool would blame this loss on anyone from the Miami offense.
Marino was 29-50 for 318 yards a td and 2 picks. Not a great performance but clearly when a team is forced to throw every down (Miami was almost always in that mode as they had no running attack) because they are down by a lot you will always throw more picks.
Here are SB winning performances...
Roethlisberger won a SB by going 9-21 for 123 yards with no TD's and 2 picks. (they rushed for 181 yards and only allowed 10 points)
Trent Dilfer won a SB throwing for 153 yards (His defense allowed only 7 points and caused many turnovers they also ran for for over 100 yards)
Brady beat the greatest show on turf throwing for a whopping 145 yard (They rushed for 133 yards and the defense held St. Louis to only 17 points)
Aikman won throwing for 207 yards with no TD's and a pick (Emmitt rushed for 132 and 2 TD's and the defense only allowed 13 points)
Elway won a SB throwing for 123 yards with no TD's and 1 pick (Terrell Davis rushed for 157 yards and 3 TD's)
Plunkett threw for 172 yards with 1 TD and no picks (Marcus Allen rushed for 191 yards and 2 TD's and the Raider defense allowed 9 points)
Theisman won throwing for 143 yards with 2 picks, but they ran for 276 yards!
Bradshaw won a SB throwing THREE picks, but his defense only allowed 19 points
Staubach won throwing for 183 yards with no TD's and a pick (team rushed for 143 yards and only allowed 10 points)
Griese only threw 7 passes for 73 yards (no picks or td's) but won because they rushed for almost 200 yards and the defense allowed only 7 points
Griese won a SB throwing for 88 yards with a pick and a TD, but the Dolphins ran for 184 yards and allowed no points (ST allowed 7 points)I wont even go to the 1st 5 SB's as the scoring was much less and the QB's didn't do much. There have also been a bunch of mediocre performances that have won a SB.
The theme is always a solid running attack and defense...this the TEAM concept that seems lost on you.
There are no excuses, but there are logical conclusions that are simply lost on someone without the faculties to comprehend them or the ability to want to search for the truth.