> But I wasn’t comfortable with the practice of removing calves from mothers and sending four-day-old calves to be slaughtered.

Calves are a by-product of milk. The world doesn't need calves, doesn't want (or like) veal. Calves exist because in order to get milk, we need to get the cows pregnant. Then we kill the calves.

There is no other way to get cow milk; there is no way to make "humane" milk. We can either, not use milk, or devise a way to produce synthetic milk.

But cow milk == killing calves.