Lots of professional people have lost everything. Some are managers, some may even have owned their own businesses. This tragedy cuts across all classes.
The fact remains that anyone who invites a complete stranger into their home in this day and age, questions unasked, is putting their family in danger.
I would guess that at least 10% of the evacuees have been through the criminal justice system at some point and I would like to know whether I have a violent offender on my hands before I billet him.