At least internal to companies, setting a plan and launch date and announcing it, is often the way to put pressure on completion. Not having any firm commitment

At least internal to companies, setting a plan and launch date and announcing it, is often the way to put pressure on completion. Not having any firm commitment that other people will hold you to, is often a recipe for endless bikeshedding and creeping featuritis. Left to their own devices, many people will often try to boil oceans.