You can't just take one sentence out of context. Huh?

"...you're just kicking the can. You're still going to have to read all this code to make sure it makes sense"

He's commenting on that maybe it's not a huge productivity boost once you include the reviewing- if you want to get good results you have to know what you're doing, direct it, review it. If you skip this, you get aimless slop.

How on earth is this "plain wrong"?

> the efficient markets will deal with this objectively

maybe. It's a pretty damn complex system.