Originally Posted by
PanAmOneTwo
absolutely correct, but RDM and GS relevant spend are not necessarily the same thing. I imagine there are a lot of folks whose companies only cover Y, but if they use their own $ to buy up would be very valuable to United and should therefore be equally worthy of GS as someone who spent the exact same amount of $ but happened to do so up front. I also have no idea but since this is all speculation anyway just throwing that out there
A pure speculation: UA wants people to pay for expensive fares outright, so they are treated differently from those who pay for the upgrade later. This would explain the different RDM treatments.