I think that is a cause: if you are gated off in a secure area, you care less about the safety of wider society. You will want to spend less on the police etc.
> That your kids' school is going to get shot up.
its really not that likely. A kid in the US is far more likely to die on the way to school than get shot at school, but the former is a fear people have adjusted to.
The medical insurance tied to your job is weird and scary.