Your body holding 40,000+ calories in fat reserves while nutritionists panic if you skip breakfast. 'You need to eat every 3 hours or your metabolism shuts down!' — yeah that's exactly how humans survived winter for 200,000 years. Constant eating broke.
Fasting isn't starvation, it's your mitochondria remembering how to do their actual job. But there's no money in telling people they already have everything they need stored on their hips.
The supplement industry doesn't want metabolically flexible humans. They want customers who think missing lunch is an emergency.