Hiring Copilot is praised for its innovative approach to hiring, allowing users to anonymously vouch for engineers within their LinkedIn network. This method is seen as both interesting and helpful, providing a unique pipeline for connecting engineers with top Y-Combinator founders without involving recruiters. Users appreciate the platform's ability to streamline the hiring process and its potential to reward participants financially. Overall, the feedback highlights the platform's effectiveness in facilitating connections and enhancing the hiring experience.