I would recommend sticking to Direct Action for Upsilon and forgetting about nearly everything on your list. As far as I remember my stats stalled towards the end too and after a few games of just meleeing spies and close quarters physical finishes the stat topped itself up.
It seriously looks like you've wasted a lot of time on things which will have no bearing on those stats, probably out of desperation. I read your blog last night and I wish I could be more specific. I definitely found a list of actions which worked but it was years ago and I can't remember where it was. Sorry
Edit:
http://www.achieve360points.com/forums/showthread.php?t=1622...Switch up your boosting partner or get more people involved too.
And yet he complained that his belly was not full.