Well, not all, just those owned by the WKS Restaurant Corporation, in turn owned by Roland Spongberg, who donated to Yes on Prop 8.
That is so Queer . . . has done a great job on reporting which ones Mr. Sponberg owns.
So do we boycott all of them? No. Just These
Here's proof he donated $6,000. Secretary of State's List of Prop 8 Donors
Thanks, Faith, founder of That's So Queer, for your great reporting!