Why is it important to become a better strategist in today’s competitive environment?

Prompt response

In The Ultimate Sales Machine, Holmes  wrote: “In my experience, there are three types of executives. A full 90 percent are what  call ‘tactical executives,’ while 9 percent are what call ‘strategic executives.’ And only 1 percent – the most effective executives – possess the rare combination of both tactical and strategic abilities”
What is the difference between a strategic and tactical executive?
Why is it important to become a better strategist in today’s competitive environment?
What specific knowledge and skills must a strategic executive develop?