I find issue with the idea that Cindy is 'using' her sons death for her own purposes. Some have claimed that she only wants to embarrass bush, as if its all about Bush. Or that she just has a need for attention.
Instead of arguing the point, I have found some one who has argued the point much more fluently than i possibly can. I'll post the whole thing, as links don't seem to be read.
Here is a diary entry from a woman called susang on dailykos...