If veg is best, why so few Nobel laureates?

Nary a day passes without somebody or the other, somewhere or the other, extolling the virtues of vegetarianism. Good for the body. No, good for the mind. Wait, wait, good for body and the mind. The debates are simmering in the sambar. But, if vegetarianism is so magical, why, in this supposedly largely vegetarian country have its perceived benefits not been so visible? Why, for example, have we had the worst scourges course through our nation? And, hey, why have we produced just a couple of Nobel laureates? Or are we barking up the wrong (vegetarian) tree?

Read: Meat vs Potatoes

Related link: Vegetable love