To quote the patch notes
if the buffs are not applied instantly in real-time time why do we need to verify our ego every system cycle what are position number is other than to lag servers?
I would be just fine knowing my position number for the day when the buffs are applied...
the sort algorithm to maintain that database in live-time throughout the day must be putting some serious load on the chipsets, let alone the need to update the client UI also in real-time of that live database