The science :
Considering these results overall, cats fed vegan diets tended to be healthier than cats fed meat-based diets. This trend was clear and consistent. These results largely concur with previous, similar studies. https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0284132
Sure might not be the best science but still science
I have a haglöfs Spitz , every couple of years the runner if the main zipper wears out and the mail me a new one