there is no version of reality where farming a carnivore that requires animal proteins for growth is magically going to be more economically efficient than non-carnivores.
It is basically a way to recover waste. The article mentions that:
> The most common feed inputs were wild-caught rodents and waste protein from agri-food supply chains (e.g., pork, chicken, fish). Many of the larger python farms make sausages from processed waste protein.