Well, clearly you do "nit" play on a "vanilla" game PC PLAYHAH!! LOL,LOL.. Last I played that loophole was plugged up tighter than...fill in your own verbs and adjectives. Nouns and Pronouns will not be tolerated! Lol, LOL. Perhaps you should update the WIKI!!!
Actually, it does still work (360) fine for me. It gets old having to wait until she respawns, then do it again. I set a C4 in the tent, walk away, then pull the trigger on the detonator. I've never received negative faction status, or even karma loss.
......and yes, they killed the fun of the Fat Man in NV.