It seems like the post I am replying to replied to a post that I can not see or that no longer exists or that exists but is not connected to their comments
Obligate carnivores normally need meat for their nutritional needs or needed to eat meat for human nutrition until humans invented or discovered a substitute source of nutrition for them
Not all carnivores are obligate carnivores.
most or all cats and snakes are claimed to be obligate carnivores but not dogs