Well, Why Do You Think It's Called Cracker Barrel?

Yahoo! News - Cracker Barrel Announces Plan on Claims

Cracker Barrel Old Country Store Inc., based in Lebanon, Tenn., has been the target of several lawsuits filed by black customers who say they received poor service compared with white patrons. Their claims include exceedingly long waits for tables and being segregated in restaurants.

If you ask me, I'd say the Cracker Barrel is just trying to recreate an authentic atmosphere resembling an earlier time period (some would say 1950's, others would say yesterday afternoon...)