There are a lot of voters who are not taxpayers.
that it's the Democratic Party we're talking about here is irrelevant—this is just a natural consequence of the two-party system.
There’s far fewer homeless in the Midwest because homes are actually affordable. The poverty, squalor, heroin addiction is just as bad. It’s just out of sight.
I suspect it also has to do with that fact that if you are homeless in winter you will die.
In a transient place like the bay area, the voters also do not experience the consequence of their votes and follow along with whatever trendy compassion based arguments is around at the time, the one year they vote.
The people who run for office are not many. Most of these positions are uncontested.