If anything is dumbass pseudoscience, it's the paleo diet, carnivore diet, and all other low carb diets.
https://m.youtube.com/watch?v=FNIoKmMq6cs&pp=ygUhcGFsZW9udG9sb2dpc3QgZGVidW5rcyBwYWxlbyBkaWV0
https://nutritionfacts.org/video/the-problem-with-the-paleo-diet-argument/
https://www.goodreads.com/book/show/18596505-the-low-carb-fraud
Humans generally don't need to kill animals.