It's not really that people wouldn't come back - it's that they were losing money on each customer.

Those 100 videos probably cost $100+ for them to create. Did you pay them $100+? (not a critisism, just a re-framing)

When it launched we all talked about the serving/inference costs being massive. In hindsight if they had a paywall, it might not have self-imploded so fast, might have stayed aspirational, and they might have a profitable business today. Interesting case study.