tbh, i think the pens only won two cups because mario didn't give them very many chances to win.
he/they didn't make the playoffs at all during the gongshow years, finally made it when he hit that near-gretzkian offensively bonkers level but coughed up a 3-2 series lead and lost in seven in the second round to the far more experienced flyers, then was hurt and missed the playoffs again in '90, was hurt and might well have missed again in '91 but he was bailed out by really really underratedly great seasons by young recchi and john cullen, was out and missed again in '95, retired from '98 to 2000, then comes back to give them one more shot in 2001 before sliding into what at the time i thought of as his "not worth my time" years.
i feel like he was not 100% in '94 or '97. well, he was probably almost never 100%, but i think those two years he was not even close. can a pens fan who followed in the 90s corroborate?
all to say, in a career a superlative player like mario usually gets a lot of shots. in the right situation, that kind of player should get to a handful of finals. in bobby orr's nine year career, he gave them a shot every year (other than his rookie year), and he made the finals four times, so he went the distance half the time. bobby hull only won the one cup but made four finals, gretzky and howe each got their our cups plus extra finals. this isn't getting into montreal guys, of course.
but with mario, if he'd just been able to make the playoffs a few times in his first four years, and in any other conference than the deep mid-80s patrick he might have, his team might have had the necessary reps to really capitalize on the force of nature that was 1989 mario. not saying they necessarily could have beaten montreal, but mario by himself should have given them a shot.
and then with a healthier mario, post-89, you can have a real sense of continuity instead of the constant stops and starts that plagued pittsburgh in the 90s.
a lot of missed opportunities with mario. but when everything lined up they did capitalize on their window, even if 93 feels like a really great squandered shot.