|He will break you. But will he learn from the experience?|
I think things break down, though, once you get to the Cleric and Wizard. Until you get to 4e, while your Intelligence and Wisdom would have an impact on your progression through those classes, there wasn't as much of a direct correllation between the Stat and their abilities. A low Intelligence could keep a wizard from casting high level spells, and a low Wisdom could cause Clerical spells to fail, but how do you draw a direct line from that to increased/decreased experience, like you do with a fighter? In 4e I can see it, since everything is stat based, no matter what class you have, but in older versions of the game, you just didn't see that.
And yet, I can't shake the feeling that there's something to this. The game can really punish you for poor stats, as poor Torvalds found out, and this is something good to level out that sort of thing. But it seems to run counter to the idea of Old School Lethality.
Needless to say, I am conflicted.