How Tight is the QB Leash? Or is Schaub Just Too Conservative?

[Nconroe]

So, just discussing, here are some 2012 stats at yahoo sports
http://sports.yahoo.com/nfl/stats/byposition?
pos=QB&conference=NFL&year=season_2012&sort=41&tim eframe=ToDate

Schaub seems to be in top 10 for most categories For 2012 in QB Rating, and percent completions, least sacks, least fumbles, least interceptions,

Ahead of Romo, Flaco, Eli, Rivers, Newton, and many more in several categories of statistics.

Name Team G QBRat Comp Att Pct Yds Y/G Y/A TD Int Rush Yds Y/G Avg TD Sack YdsL Fum FumL
Aaron Rodgers GNB 16 108.0 371 552 67.2 4295 268.4 7.8 39 8 54 259 16.2 4.8 2 51 293 5 4
Peyton Manning DEN 16 105.8 400 583 68.6 4659 291.2 8.0 37 11 23 6 0.4 0.3 0 21 137 2 2
Robert Griffin III WAS 15 102.4 258 393 65.6 3200 213.3 8.1 20 5 120 815 54.3 6.8 7 30 217 12 2
Russell Wilson SEA 16 100.0 252 393 64.1 3118 194.9 7.9 26 10 94 489 30.6 5.2 4 33 203 6 3
Matt Ryan ATL 16 99.1 422 615 68.6 4719 294.9 7.7 32 14 34 141 8.8 4.1 1 28 210 3 2
Tom Brady NWE 16 98.7 401 637 63.0 4827 301.7 7.6 34 8 23 32 2.0 1.4 4 27 182 2 0
Ben Roethlisberger PIT 13 97.0 284 449 63.3 3265 251.2 7.3 26 8 26 92 7.1 3.5 0 30 182 6 3
Drew Brees NOR 16 96.3 422 670 63.0 5177 323.6 7.7 43 19 15 5 0.3 0.3 1 26 190 5 1
Matt Schaub HOU 16 90.7 350 544 64.3 4008 250.5 7.4 22 12 21 -9 -0.6 -0.4 0 27 216 4 0
Tony Romo DAL 16 90.5 425 648 65.6 4903 306.4 7.6 28 19 30 49 3.1 1.6 1 36 263 6 3
Philip Rivers SDG 16 88.6 338 527 64.1 3606 225.4 6.8 26 15 27 40 2.5 1.5 0 49 311 15 7
Joe Flacco BAL 16 87.7 317 531 59.7 3817 238.6 7.2 22 10 32 22 1.4 0.7 3 35 227 8 4
Andy Dalton CIN 16 87.4 329 528 62.3 3669 229.3 6.9 27 16 47 120 7.5 2.6 4 46 229 4 4
Eli Manning NYG 16 87.2 321 536 59.9 3948 246.8 7.4 26 15 20 30 1.9 1.5 0 19 136 5 1
Cam Newton CAR 16 86.2 280 485 57.7 3869 241.8 8.0 19 12 127 741 46.3 5.8 8 36 244 10 3