I think its because of identifying you at the moment Flyinggeese21
One ( entirely made up) scenario might be that my DN took the piss at my place, whilst celebrating our 20th wedding anniversary, and decided to take it upon herself to open all the presents. Family are telling me to' get over it, its done now' However I feel that SIL should have a t least apologised, if she cant keep her DC under control, who by the way everybody, is 13yrs old.
I want to know if IABU to want to give the little darling a stern telling off, seeing as her DM is incapable, and am I being dramatic for still being upset 2 weeks on.
So I would NC to post this, as if SIL or any other family saw the thread, they would know I posted it although I don't give a shit because they are all bat shit crazy .
However, if I had posted under Margaritte, they would see all my past posts, and I don't want that at all. (as for example, my PND thread I posted on here)
Hope that makes some sense? 
Again, an entirely fabricated scenario!