I've never liked the idea double points for the last race.
I get that the intention was to try to keep the championship interesting by trying to ensure that it wasn't decided early, but it feels completely artificial. And if one of the mercs had had just one or two more DNFs or reliability problems this season, then it wouldn't have worked anyway.
It just seems like a reactionary decision, almost like the first proposed idea was adopted without much thought. Something like reducing the gap in points scored between, say, the top 6 positions would have been a lot more natural, and seemed much less arbitrary than double points for one race.