As far as practical application goes, using a slight (.5 inch) holdover makes sense at 5 yards or less. For instance, aiming at the top of the 2" circle when doing a dot torture drill. For everything else out to 50 yards, it's pretty much put the dot on target and shoot. I sure as heck am not good enough of a shooter to be worrying about trying to account for a 1 inch shift in POI at those distances.I applaud you folks that can shoot with the precision that makes anything past 20-25ish yards much of a consideration for realistic acceptable "groups."
It's also helpful to know what your holdover should be at 100 yds just in case you ever need to make that shot, but the rest is just academic.