Randoms don’t wander in. There is, at the minimum, an illusion of security with a security guard.
Security is security: the more you have, the more difficult target you look. It doesn’t necessarily make you safer, but the illusion exists on both sides.
There is also more legal protection from trespassing. It isn’t illegal to be on a public road or sidewalk in a neighborhood you don’t live in, and you can’t be trespassed unless you commit a crime. If the road and sidewalk are privately owned they can tell you to leave for any/no reason.
Randoms don’t wander in. There is, at the minimum, an illusion of security with a security guard.
Security is security: the more you have, the more difficult target you look. It doesn’t necessarily make you safer, but the illusion exists on both sides.
There is also more legal protection from trespassing. It isn’t illegal to be on a public road or sidewalk in a neighborhood you don’t live in, and you can’t be trespassed unless you commit a crime. If the road and sidewalk are privately owned they can tell you to leave for any/no reason.
And in the US that reason often ends up being skin color and/or perceived wealth.