Apashutyid: Why would people take a course in computer graphics or programming, when they can just as easily read a book about the subject matter? And why would people even buy a book on those topics, if the information is freely available online? Obviously, people want information they can trust which is available in a simple to digest format.
Every business can be done in an honest and dishonest manner. A store owner can have accurate or inaccurate weights. A doctor can prescribe medicines based on knowledge and helpfulness or based on the promise of a vacation from a drug representative. A real estate professional can show you a wonderful home with your best interests at heart, or show you a faulty home and not tell you about the faults. Etc.
In my course, I teach you how to build a website that offers value to visitors, not a website that ch”v causes viruses!