Try replacing the included script with the attached one. It'll only apply the blank dummy outfit when the NPC is abducted or read from file, not every time the NPC is loaded. After replacing, load save, open console and type "reloadscript _MODAbductionReduxAliasScript" and then load the save again.   No, that depends entirely on what mods you have installed. In a standard game all unique NPC will work. For most that'll be true in a modded as well, haven't heard about any widespread