All the houses she sold are still standing and fully occupied.
The issue is not who owns the houses, just that there are not enough houses for all the people.
The crisis has worsened dramatically because it is utterly impossible to come close to building another Manchester every year.
In the SE there is no building land to speak of at all anyway.

Ordinary homeless people just get put in hostels or B&Bs, and then only if they have children.
Why should any group have different treatment?