I mean, “don’t leave stuff in your car” is a pretty basic tenant of parking on the street in any big city… but yeah, it’s kinda as described and has been for at least a decade or more.
Pro Life Tip: Get tinted windows.
Other than that general feeling. I think there is an uptick in nuance crimes due to the pandemic[1] and the housing crisis. But physically SF is safer than 20 years ago and hella safer than 40 years ago. Back in the 80's if a women didn't carry her purse like a Joe Montana carrying a football someone would try to grab it.
[1] Pandemic has caused criminals to target residential neighborhoods.
1) tinted front windows are illegal in CA, with very few exceptions
2) burglars break in on speculation, even if nothing is visible. That's why Teslas are constantly broken into via the right side rear passenger window -- immediate trunk access.