Aren’t cats obligate carnivores? Feeding them plant protein doesn’t sound ethical.
At worst its harm at best its experimenting on your own animals. If you are a vegan looking for animal companionship I think that rabbits make more sense. These guys live 8-14 years and people do litter train rabbits.
https://whyrabbits.com/rabbit-breeds/mini-lop/ https://bunnylady.com/litter-train-your-rabbit/
If you already have a cat I recommend feeding it a diet that is widely recommended by veterinary science or recommended by your vet.
This is not a minor correction at all. I understand its hard to get people to replicate or be interested in this without a commercial interest but independent verification is how science gets done.
Also when something is contra existing understanding it deserves extra skepticism. Trying to hide this info is twice as damning as having it there in the first place.
The only acceptable answer:
