I mean, I get the whole "don't depend on another company for your revenue" (e.g. apps in the Apple app store), but you're saying "don't count on Google sending traffic to your site".
Plus, her ranking didn't change -- her site vanished out of the index.
EDIT: Unless you mean "don't depend entirely on organic traffic"? I can sorta see that... but, again, if I've only now thought about putting a photo on a quilt (which is a new idea to me), around 70% of the US thinks putting [photo quilts] into Google is the way to get the site you want. What else would you suggest?
EDIT #2: Maybe "vanished" is too strong a word, since it does show up on string matches. But it was deindexed for search terms it used to rank for.