[pmwhite]

Yes, definitely true.

If (1) everyone is highly effective in getting tasks done, and (2) working on tasks that are reasonably well prioritized by both technical risks and business value, why exactly do you need to know more?

There are legitimate reasons that a business may need a date. But making sure people are working harder than hard by beating them over the head with a date coughed out by a gantt chart is not one of the legitimate reasons.