Metabolism was an excuse when we could not reliably estimate it outside laboratory; today we can do that too, for completely free (we run a public benefit app for this).

Method here: https://macrocodex.app/knowledge/rethink/adaptive-tdee/

People can find the algorithm here: https://macrocodex.app/knowledge/macrocodex/smart-calorie-bu...

In fact, our claim on the app is results within 2-5 weeks for both weight gain and weight loss; I've yet to find a guy who did not achieve success with this.

Calorie deficit is the most effective method for weight loss.

What's funny is when people actually measure their metabolism with this approach, they realize they aren't far off from the average!

they were forced labor camps plagued with disease and malnutrition. so, not a great thing to base an argument of caloric intake and weight loss on, and honestly, a horrific thing to bring up casually as a means to make a point.

You misunderstand what you're calling an excuse.