USDA is inherently biased toward animal farming, and the first source I linked was a scientific study. But I'm not necessarily denying what USDA says. Holding a bias doesn't automatically make something untrue. You didn't quote anything they said, you made some hasty calculations based on their statistics, which seemed to overlook the distinction between male calves and female calves. You used this to make a statement that I never disagreed with, because I was making a different one. (One could call that a strawman fallacy).
Humane League is an animal welfare organisation. Of course they're going to focus on the most ethically unsound aspects of animal farming, since that's their purpose, but nothing they said was false. They did acknowledge that some male calves in the dairy industry are raised for beef, but that most are killed for veal.
Most what? Calves or male calves? Because it's factually incorrect to say that most male calves aren't killed for veal. They evidently are.
But let's ignore that for a second. The fact that any calves in the dairy industry are killed for veal, or even for beef (at only a few years older, still a fraction of their natural lifespan), is of course a harm, whether you agree with it or not. Killing an animal is harming them, no matter if they're a baby animal or a few-year-old animal.
It's a harm toward animals that some might justify as a necessary component of dairy production, which it is. But this ignores the fact that dairy production itself isn't necessary. And that was the crux of the fallacy I'm alluding to.