In todays economy, a persons expendable dollars only go so far.
Calling them un-sisterly is a bit extreme even though I am sure it hurt them.
I am sure it did hurt them somewhat feeling that they could depend on them. But, I try to spend what I can on My Fraternity Chairitys when I can.
Owning a small business, beleive me I get it almost daily. I have what I donate to and that is all.