I'm inclined to think that mothers, who breastfeed children of that age are not so much doing it for their children as they are for fulfilling some type of self need.
I agree, Klyd. Mothers breast feeding their children in public don't bother me one iota. But continuing to breast feed past a certain age can't be mentally healthy for the kid.
"I got news for you. If it wasn't for the toilet, there would be no books." --- George Costanza.