Exactly what evidence do you use to characterize the loan as predatory? The other story I've read on this (in the Times as well if I recall correctly) characterized Leibovitz as being bad at managing her finances. If you pledge property as collateral for a loan and you don't pay the loan back according to the terms that you agreed to, then the creditor has the right to foreclose on the property and sell it, what's predatory about that?
Not only that, she lost every perspective. I'm surprised it ended - for the time being - as well as it did. She probably should not be managing her own funds at all.