No, I meant, why aren't a few very popular courses the only ones people hear about, such that they're de-facto only focused on those? Money buys advertising / b

No, I meant, why aren't a few very popular courses the only ones people hear about, such that they're de-facto only focused on those? Money buys advertising / brand recognition; why aren't there big-name money-making-course brands that are outcompeting the new upstarts? Why isn't the market consolidating around the guys who won big first and then reinvested in making their brands the biggest?