Efficiency is never only about cutting time. That is just textbook example of lack of judgement and lack of wisdom.
Efficiency is maintaining the same quality AND reduce time. If a Grade A product or service can be finish in 2 weeks. Increase its efficiency would be finishing it in 1.5 weeks or less with the same result of Grade A.
Time is Money. Simply cutting time by sacrificing quality will always cost more (time, money, health, or life/lives, etc).
Correctly improve efficiency can increase the chance of saving time, saving/gaining money, saving/gaining health, or saving live/lives, etc.
How to increase efficiency right require judgement and wisdom. Get your ebook to know how!