When you work with a team of smart people, deadlines can actually be positive thing. But there’s a catch: deadline cannot be fake.
If the deadline is something with meaning for end users (not just for the sake of plans- although we all understand the importance of those), the team will take a responsible approach towards delivery .
It’s a pretty simple principle: people need a purpose.
If the deadline is something that makes sense to the real world, then the team will be able to take decisions based on priority, will be more aware of consequences and will be able to keep decisions and options simple and focused. Better than any manager, after all they know the real consequences of every option.
Have you read about Real options?
Read it, @PapaChrisMatts and @Olavmaassen have made a pretty good job explaining it.