Ed,
I was just looking at the article (still had it up), so I missed that part. Yes, that doesn't jibe with his previous mention "with the two public courses at Torrey Pines (best scenery next to Pebble Beach) and La Costa". Both Torrey and La Costa have 2 courses, which makes 5 total. Maybe he was counting Torrey and La Costa as one complex each, or just South and the La Costa tournament course (if it's a composite).
And to the rest of you, semi-private falls under the 'public' umbrella, just like the 3 resort courses he mentions, Barona, and the pair at La Costa.
Torrey's pair are the only two truly 'public' ones mentioned, and they're the hardest ones to get on.