Not really. Shumi was extraordinary error-prone during his last years, and someone dared me a few years ago to find a dozen crucial mistakes Shumi made, and I came up with this list, which was made in May 2006:
Australia 2006: Put the car in the wall and retired.
China 2005: Collided with Albers on the formation lap and had to start the race from the pit.
China 2005: Spun in the race and retired.
Turkey 2005: Spun in qualifying and had to start the race from the back of the field.
Monaco 2005: Hit Coulthard from behind.
San Marino 2005: Went off-track in qualifying and had to start the race from 14th place.
Australia 2005: Collided with Heidfeld and retired.
Brazil 2004: Crashed in practice which resulted in an engine change.
Brazil 2004: Spun in the race and lost several positions.
China 2004: Spun in qualifying and had to start the race from the pit.
Italy 2004: Spun in the race on the first lap.
Monaco 2004: Collided with Montoya in the tunnel following a safety car.
Australia 2006: Put the car in the wall and retired.
China 2005: Collided with Albers on the formation lap and had to start the race from the pit.
China 2005: Spun in the race and retired.
Turkey 2005: Spun in qualifying and had to start the race from the back of the field.
Monaco 2005: Hit Coulthard from behind.
San Marino 2005: Went off-track in qualifying and had to start the race from 14th place.
Australia 2005: Collided with Heidfeld and retired.
Brazil 2004: Crashed in practice which resulted in an engine change.
Brazil 2004: Spun in the race and lost several positions.
China 2004: Spun in qualifying and had to start the race from the pit.
Italy 2004: Spun in the race on the first lap.
Monaco 2004: Collided with Montoya in the tunnel following a safety car.
I could make a list that long over that period for any of the top Formula 1 drivers, some much longer lists too.

Say what?