Despite mentioning the circadian rhythm, completely fails to mention that humans have vastly different chronotypes. I'm supposed to eat between 7-8am, which is

Despite mentioning the circadian rhythm, completely fails to mention that humans have vastly different chronotypes. I'm supposed to eat between 7-8am, which is hours before my natural wakeup time? Bizarre advice. This might be true for an early riser, but my lunch is your breakfast in relative time. This sort of advice/science is therefore largely useless.