Another way of looking at it is that making up your mind (on a matter you have control over) eliminates a wide range of future universes wherein you would make different decisions. You’ve picked a leg in the trousers of time, so to speak. The negative aspect of making decisions prematurely can thus be noticed as the accidental elimination of positive futures from your timeline.
Good point that decisions are specializations.
Another way of looking at it is that making up your mind (on a matter you have control over) eliminates a wide range of future universes wherein you would make different decisions. You’ve picked a leg in the trousers of time, so to speak. The negative aspect of making decisions prematurely can thus be noticed as the accidental elimination of positive futures from your timeline.