Metin,

The issue is that certain members of the VFP community got into a dispute, then one side sent damaging letters to the other's employer. They knew who she worked for because she revealed details here and on other VFP boards. She lost her job.

For me, changing the flag is a reflection that the community has changed: after all these years of sharing private details with each other, the actions of a few mean it is not safe any more. In other online communities (e.g. Wikipedia) you get banned/shunned if you pursue somebody into real life but clearly that's not the case in this community, so I suppose the changing flag is a sort of Ghandi protest for me. The humor is along the lines of "go ahead, send a letter to my employer in the Congo and they'll send you a crocodile tooth." Others may have different motives.