Probably for the same reason we're having this discussion: you saw the words Clinton and Alinsky near each other and began trying to claim they were linked because you'd be too lazy to read the paper (or even an abstract).
That doesn't matter, what matters is what she wrote about him.
That doesn't make sense.
To you and anyone else who is defending against such a notion it doesn't make sense, but to those of us who see through the lie it makes plenty of sense.