Dropshipping is merely a business model. Not a gold mine.
Anyone who tries to run a dropshipping business as a complete organization, with all the problems of a small business, including marketing, selling, website management, communication, accounting, vetting vendors, customer service, returned items, etc etc, will do well.
If they start with adequate capital…
Two guys started this in 2002.
Their company now does $6 BILLION a year in sales.