As bad as Massachusetts is, especially Cambridge, at lease some of the super liberal towns are safe. That’s not so in California.
I have friends out in East Bay. They live is a very affluent town where their tiny 2 bed, 1 bath house is 2M+ but they are completely surrounded by Oakland. When they go out to dinner they use Uber, otherwise their car windows would be smashed.
Piedmont. Used to be solidly Republican, now infested by Democrats. Used to be inhabited by people who made money and has now been overrun by people who have made money off of people who make money. Big Democrat fundraisers now live there, I understand.