I think that her blog and personal site are making the best of a bad situation. If she was focused there on homelessness it might have a major impact on her ability to get temporary, freelance or permanent work as well as on her readership and any income she can get from that.

The fact that she's currently without a permanent residence doesn't change any of the other things you quoted, any more than someone taking a lower-skilled job during a downturn would mean that "working retail is a lifestyle choice."