TL;DR;

Posting a link to a bunch of other links you don't seem to have actually read isn't a good basis for an argument

Scientific evidence, sure, but if you'd actually read them you'd see they aren't as inline with your argument as you seem to think.

Do you mean the one behind a paywall

Perhaps the one consisting almost entirely of owner reported (and thus inherently bias) results

Maybe the meta-study that specifically calls out how little quality and volume there is in this areas of study, comments on how self-reported studies are bias and in conclusion basically says:

“It doesn’t seem to immediately kill your pets in the limited studies that have been done, we have even seen some benefits, but we don’t have enough quality data to be that confident about anything”

How about this one which is again largely based on self-reported results.

You should actually read the "Study Limitations" section for this one.

Or the last one which is about vegetarian diets, again goes out of it's way to specifically call out the lack of current research and that the majority of current research supporting these diets is "rarely conducted in accordance with the highest standards of evidence-based medicine"

I'm aware i'm cherry picking quotes and points here, but only to illustrate that these papers aren't the silver bullet you seem to think.

Not to say there is no validity to the argument that these diets can be beneficial but it's a far cry from vegan diets are scientifically proven safe for cats and dogs.