How to succeed in Network Marketing

Most people are aware that there is a problem in the system in network marketing. Because we see that there is a big attrition in the industry, about 97% of those who join the business fails and quits. And only 3% make it to the Top. So why do so many people struggle to succeed in this industry? If we say that this is the best solution for financial freedom for those people of low-income to have a better life. Why that BIG ATTRITION?