Relevant short video from the Documentary "FatHead" that talks a little bit about what Gary Taubes is talking about in his book. The effects of carb/sugar and the insulin response that causes fat storage.
https://youtu.be/mNYlIcXynwEIt's free on Amazon Prime Video if anyone wants to watch it. I'm still only halfway through it though, so if he suddenly says we should just eat helium at the end I'm sorry. :P