Pasteurizing is not good for any living creatures. The amount of ways that it kills milk is just astounding when you start getting in to the details. Check out RealMilk.Com for a very comprehensive list of it all. Raw is far better in all forms. Raw fruit and vegetables are more nutritious than cooked. Raw honey has more beneficial qualities than processed honey. Raw apple cider vinegar works wonders while processed does little to nothing.
Raw milk does not go rancid and raw honey never spoils, ever. They have honey from the Egyptian tombs estimated to be over 5000 years old that was still edible and tasted delicious supposedly. It's amazing what our processed foods have really become.
And if you think about it, if raw milk is good enough for human consumption, as a great many of us on this Forum do, then why should it be any less beneficial for a goat?