Considering the rise of high-tech indoor cycling platforms and virtual training environments, can we truly say that traditional interval workouts and static indoor cycling routines are still the most effective way to build base fitness for outdoor cycling, or are these methods being outdated by more advanced and dynamic approaches to indoor training? Does the emphasis on high-intensity interval training (HIIT) and other structured workout protocols overlook the benefits of more variable and spontaneous indoor cycling sessions, which may better simulate the unpredictable nature of outdoor riding?