Business-time goes seemingly faster than engineering-time. Engineering requires luxurious calm and ample amounts of time to achieve anything of value. Hence the

Business-time goes seemingly faster than engineering-time. Engineering requires luxurious calm and ample amounts of time to achieve anything of value. Hence the disconnection, the business will ask "why do engineers take so much time?" while the engineers ask themselves "why does the management changes the plan so much?". But a key point to have successful engineering is not panicking upon this perceived, unbearable, uncontrollable slowness and still invest in quality: capital instead of debt.