There's countless reasons why someone may be unable to work and accordingly they'll need income assistance. Disability and Age are significant ones. Mental illness, drug addiction are others.
"Move somewhere else" assumes that there is actually somewhere more affordable to live, (and one has the funds to relocate) which is not necessarily obviously the case. Further flung places with arguably cheaper housing costs add increased living costs in lack of public transportation services and support services.
In the BC context, it doesn't matter how far one gets from Vancouver, there is really no where where $375 satisfies market rents.
In regard to San Francisco, though, there are many, many more affordable places to live. I was going to say, that literally any other place in the USA is more affordable; but NYC finally surpassed San Francisco as most expensive rental market in August of this year:
"Move somewhere else" assumes that there is actually somewhere more affordable to live, (and one has the funds to relocate) which is not necessarily obviously the case. Further flung places with arguably cheaper housing costs add increased living costs in lack of public transportation services and support services.
In the BC context, it doesn't matter how far one gets from Vancouver, there is really no where where $375 satisfies market rents.