The problem is an incumbency/network effect problem. Sure, the ad-supported model helped them get off the ground, but it's not what's keeping them #1. The large

The problem is an incumbency/network effect problem. Sure, the ad-supported model helped them get off the ground, but it's not what's keeping them #1. The larger your library, the greater your value to viewers, and, thereby, the greater your value to content creators, increasing your library, increasing your viewership, etc. Virtually every tech company out there has massive incumbent advantages. Unless you can offer a differentiated service (eg: Tik Tok vs Instagram), your business is DOA.