It is a room full of the people most likely to try your thing on day one. It is not a machine that makes them come back.
Can: traction on launch day, feedback from product-minded early adopters, visits, social proof, relationships - the founding customers a new product needs. Cannot: create product-market fit, repair weak onboarding, make a generic offer compelling, guarantee a returning audience. The platform is free to launch on (it monetizes with ads; acquired by AngelList/Wellfound in 2016) and is not an accelerator - Y Combinator takes ~6% via a SAFE; its launch community is Hacker News ('Show HN'). Related venues: There's An AI For That (AI-specific; even Salesforce used it), AppSumo.
Sets expectations before Paul's own question - the platform's job is discovery, and the disservice risk lives in onboarding, not in launching.





