1: I agree, but I had a disagreement with a Scion player and wanted some external validation.
2: That seems like a natural conclusion, but I was thinking about the fight sequence: as an operative loses wounds it doesn't have to change some of its successful hit rolls to misses because it becomes injured. I was wondering if something like that might apply because it says "as if it is fighting in combat." But I suppose the original fight sequence ends when the operative is incapacitated and this "as if" combat would be with the operative having zero wounds. It's not a trivial difference, either. For a Repentia it takes the chance of success from 50% to 33%.
3: Since an
APL modifier ends when the operative's activation ends this ploy is either almost useless and could only be used to allow a Dire Avenger to wrest control of an objective from a 2APL operative and then do an action on the objective, but only if that enemy operative hadn't already done the action him/herself, or it can be used at the beginning of an activation to give a Dire Avenger an extra action. I agree in leaning toward the latter. Craftworlds need all the help they can get anyway.