Most landlords face personal bankruptcy if they don't get the rent. This doesn't just apply to the landlords who are still paying mortgages on their properties.

Most landlords face personal bankruptcy if they don't get the rent. This doesn't just apply to the landlords who are still paying mortgages on their properties. Insurance, maintenance, and taxes are all large expenses. A lot of people in San Francisco seem to think landlords are evil, but they provide the majority of the housing. Any law that protects tenants from eviction but does not protect landlords from their expenses is going to set people against each other in a struggle for survival.