The title "Do your work" refers to growing your own business. We all have some skills in different sectors and we use all of our energy to work for a company and get a monthly salary. But we are not supposed to work for that company till death. so how will we bear our living expenses after retirement? Most people do not think about that.
Not everybody will have their own business. Not everybody will be an entrepreneur. Your goals and dreams are different from that of the next person and that's fine. So there's no point making people feel less ambitious of about themselves. There's is something called a "career" and many people would like to build theirs. People gather skills and experience over time and keep growing in whatever they do and in whatever company they work in. I have met an entrepreneur that's regrets starting a business because it got too complicated. So just do what what works for you.
Having a business is a good one to have good income but it is not for everyone. People are have their own dreams and goals in life, they also have their own career path they want to take that they know can help them in the future. I think we should just embrace what we are doing and loving it, for it to become easy. Sometimes even its not easy as long as it is what they want they enjoy doing it. Remember to not compare yourself to what others people have because we have our own uniquiness in life and capabilities. Just keep working on your dreams until you reach it. Nevermind other peoples opinion especially if it cant help you on your path that you are taking right now.