Under the British / Canada / South African / Australian model the whole article is bulldust. It may be the practise in America to yield to an all powerful CEO / Chairman but CEOs are mere 'hirelings' and it is the board legally runs the company. The board set the strategy. The board is the company. In the spirit of Louis XXIV of France, "Nous sommes la compagnie"
I think this article overstates the responsibility of the CEO, even in America.
"The board does not set the plans, objectives, goals, or strategy; instead, the CEO develops these, and presents them to the board for discussion, feedback and (possibly) approval."
Typically, the board DOES set the strategy and goals, and management's job (led by the CEO) is to execute the strategy and achieve the goals.