Is Waffle House's all-night delivery a threat to fast casuals? So why should the fast casual industry care that Waffle House is launching anall-night delivery partnership (in select cities) with DoorDash? Because the line between fast food and fast casual has always been about more than just food quality. What fast casuals can learnThis is a wake-up call for fast casual brands. Here are a few key takeaways:Don't ignore your core identity: Waffle House didn't try to become a fast casual brand to launch delivery.