You gotta read the whole thing, SW. They acknowledge that others regularly use non-profits. The difference, allegedly, is that Arnold is avoiding disclosure of donors by saying that the donations were not made at his "behest" and therefore down't have to report them. The Dems they mention (Davis Bustamante, Lockyer, Angelides, Jack O'Connell) did file those disclosure reports so anybody can see where the money is coming from.
Not defending him as that's what his staff is for... to do the mending and minding and make the difficult stuff "disappear" as if by magic!!! And above all... eliminate ANY surprises!!!