If you don't have it, one or both will happen:
1) You will have to buy a Cuban heel for the sidestand because they lean over enough on low. Any camber and it just gets silly. Cheaper, for sure, but I don't think the ARH is that pricey.
If your inside leg measurement is 32" like mine (or less):
2) One day in town (especially on the continent where pedestrians do not look before they cross, and is becoming the norm in the UK as well) some idiot will make you do a turn/stop manouevre (ask me how I know) and that extra 30mm of drop can make all the difference between saving it, or dropping it, as once it goes much beyond about 15 degrees, I, for one, struggle to hold on to the thing, especially when it's fully loaded.