Today is day 7 of the fair. Nobody has taken the bait yet. Not one bicycle locked up and I pass this area numerous times a day.
I give an F for location, an F for securing the racks, but an E for minimal effort.
The fair isn't exactly in an area that is easy to access by bike. Not many people gonna ride in from Rancho Santa Fe or Del Mar. Solana Beach, maybe, but still... Now if the fair were close to North Park / PB / OB it would be a different story...