@amber Is also not a proponent of the high protein model and she has written about it on multiple platforms. She and Kelly Hogan who is also an old school ZC eater discussed this recently here: https://youtu.be/Ye6hSm7-3BI Much of these discussion were pretty settled around 2013. It’s funny how money makers raise their specters. Here is a post from here blog from I think 2013. To my knowledge nothing here has been proven wrong: https://www.mostly-fat.com/ketotic-blog/2013/01/protein-gluconeogenesis-and-blood-sugar/
Another issue with this discussion on fat and obesity is that not all fat is for energy transport. Some of the LDL lipoproteins may be part of the immune system. I think Siobahn Huggins was the first person I recall to mention that they are tiny ambulances arriving at the crash scene and we blame the ambulances for the crash itself.