The article says "more than 200 security guards". Any clue about how this compare to the number of security guards working as contractors for Google? I'm curiou

The article says "more than 200 security guards". Any clue about how this compare to the number of security guards working as contractors for Google? I'm curious about whether "Security Guards" in the title means "all security guards", or "a small proportion of security guards, as an experiment".