Manulife Product Manager, Digital interview questions

Completed 4 rounds of interviews - screening call, online interview with Hiring Manager, IN PERSON interview with Director and Hiring Manager, online interview with Hiring Manager and Team Member. Long hiring process and in-person interview round which required me to take time off work to attend that round. After 4th round, I got an automatically generated email stating that I would not be moved forward in the hiring process. A few weeks later, I see via LinkedIn that a friend of the hiring manager is the successful candidate for the role...