first
Humans are different from animals, we’re the only ones who have adapted our environment in a significant way
Yes we’re technically anatomically animals but you can’t just use standards for judging animal species when looking at sentient species
second
that’s ironic because you’re literally subjectively saying that the percentages are low when you have no proof
third
of course it pertains to all life on earth but we’re also only one of maybe two if not one sentient species on earth so that’s not a really good sample size