Just think of all those poor people that died before the government helped control milk! /s
I know you put the sarcasm tag afterwords, but the reality is that milk was responsible for 25% of all food-poisoning incidents before pasteurization. Food poisoning can cause permanent disability and even death--it is *not* a trivial matter.
Pathogens that can be found in raw milk include, but are not limited to Brucella, Campylobacter, Listeria, Mycobacterium bovis, Salmonella, Shiga toxin-producing E. coli, Shigella, Staphylococcus aureus, Streptococcus pyogenes, and Yersinia enterocolitica. The most common, Campylobacter, can cause paralysis. The E. coli O157:H7 can cause organ failure. Any of these can kill.
According to recent studies, you are 150 times more likely to become ill from raw milk products than pasteurized milk products.
Those who sell raw milk make all kinds of unsubstantiated claims about it. None of them stand up to scientific scrutiny. For instance, lactose is neither created nor destroyed by heat, so the claims that raw milk is somehow safe to drink by the lactose intolerant have no basis. It's clear why those who sell raw milk make those claims--it's expensive to pasteurize milk and keep up with all of the food safety requirements--making it so much more profitable to make bogus claims about health benefits of raw milk in order to attract customers who may not be scientifically knowledgeable.
There is a reason pasteurization was invented. There is a reason most governments require pasteurization, just as they set other food safety standards. If you want to know what life is like in a place where there are no standards, or standards are not enforced, I suggest doing some research on China or third world countries.
http://www.realrawmilkfacts.com/raw-milk-hot-topics
http://www.fda.gov/Food/ResourcesForYou/consumers/ucm079516.htm
or just Google "raw milk hazards" or similar phrase.