Some individuals, who earn only a few points per week, may find themselves forced to save 2200+ points over their goal of 1500 for an upgrade. What this may mean to them is that they will not see a viable (vendor sourced, not dropped) upgrade for a couple of weeks or even a month.
I play many characters, I can't possibly keep up with the required hours to grind them all to max valor. Not all of them are even in LFR yet. Grinding heroics/scenarios/dailies, etc... takes a huge amount of time to accumulate any significant valor. Maybe I want those 476 boots from Sha (quest claw) half-way upgraded to get that last point to get into LFR, which will open that char up to upgrade potential in the weeks to come.. instead of saving to 2200+ valor for a fresh new shiny tier that I may not be able to afford for a month or so.