OK not in times of COVID but there has to be someone who actually talks to customers or potential customers in person and builds _qualitative_ opinions / insight into what really needs to be built and where the real opportunities are. And that’s not to knock analytics, surveys and various other forms of customer feedback ... it’s just if you’re not directly talking to customers product development becomes an echo chamber of unvalidated opinions about how the world works. And there’s always huge and surprising insights to be gained from direct communication with customers...
From there you have to sift out signal from noise and create product vision and priorities.
Doing this PM function well quickly becomes full time and conflicts with the job of being a PO and working closely with developers.