That’s reflected in the scoreboard, where they almost always allow 20-something points and only twice more (other than most recently, against WSU).
They’re still not absolute havoc wreakers or anything, but they have fewer clear weaknesses and seem more spatially disciplined. Overall, this looks to me like an improved-ish Stanford defense from the last couple years where they’d faltered somewhat. Here’s a preview of Stanford’s defense: Personnel and What to Expect