I always remember the 1982 season with Keke Rosberg clinching the World Drivers Championship despite winning only one race.
Consistency & the unreliability of others got him over the line.
1982 is a very intriguing season. It wasn't just the Monegasque race nobody wanted to win, it was the title nobody wanted to win.
Watson could have won the 1982 title and out of all the drivers who made it to the end of the season probably should have.
6 consecutive no-points finishes and he only missed out by 5 points. Any one win from that and he would have taken it. Even if he had levelled Rosberg's score Watson would have won on countback.
Pironi could have very easily won it and almost certainly would have. He ended up joint 2nd with Watson just 5 points behind Rosberg even though he broke both legs and missed the last
5 races of the season as well. With Pironi not starting the Belgian GP that cancels out the San Marino race Watson and Rosberg didn't compete in.
Prost was 10 points behind Rosberg and had
7 straight no-points finishes. One win and any other points position and everything changes.
Villeneuve died too early in the season to say. But then again, might he have taken Pironi's results had he lived?
It's all speculation of course. You can't take it away from Rosberg. He had the reliability that the others didn't and it's incongruent to "wish" reliability upon another driver. You could only fairly say that Pironi would have beaten him because he had the speed, points and reliability up until he was permanently injured and unable to contest the final quarter of the season.
Edit:
That is good but Hamilton and Massa shared the podium six times. The 0 times for Schumacher and Villeneuve is near impossible to equal in today's era.
It seems that, to no-one's surprise, that good title fights are often seasons where multiple people are scoring podiums instead of the same three.