Most of this is perceived bullshit. As the gap between working class and affluent people widens, you have a layer of professionals with money looking for stuff to do.

Those folks have a tendency to want to separate themselves from the dirty masses. (Ie gated community) It’s what you did after you sell the family factory business in Ohio and move to Florida or wherever.

Building security theatre was accelerated driven by 9/11 paranoia and federal standards.