Because unlike the most influential private individuals, they live in homes with sidewalks - not large gated compounds with their own security details, both designed to make sure the public don't get any chance whatsoever to protest.
Or is that somehow different? If they're politically influential - why, exactly?
Practically, it would mean that you'd have to have a police presence there, wouldn't it? Or are you going to assume that the mob will always play nice, and never decide to storm the house?
