A bad PM that's good at talking will usually lead to a non-consistent product strategy (due to promising too much to different stakeholders), and subsequently t

A bad PM that's good at talking will usually lead to a non-consistent product strategy (due to promising too much to different stakeholders), and subsequently to death march projects to fulfill all the non realistic promises made. If you're long enough in the tech industry you've seen such people and learned to identify them with good certainty after one or two meetings.