Thinking about security training: too much emphasis on the security officer/guard and not enough on the manager/director?

Why is it that around the world regulators have such a priority focus on security officers/guards and not on managers and directors? Is it because only frontline workers are considered important enough? All too often attention is paid to improving the education and training of officers/guards, upskilling them and ensuring they are competent, but can you ever have a competent team or company if only one level gets compulsory training? Is it the case that we have been too focussed on the compet...