Because you trying to be "chic" or shift your consumer base to a younger clientele. Cracker Barrel now appeals to an older customer base. To be successful in decades to come, CB needs younger customers who may not be OK with gravy and biscuits. That's why you will see vegetable sausage, kale salads, etc. at Cracker Barrel. The strategy might work if you had 50 years to make the transition. But your present here-and-now customer (older folks) probably won't hang in with it after you remove their favorites (country ham, fried chicken, apple pie, "and all the butter, Jam and biscuits you care to eat."