I read up on the Roma on Wikipedia after seeing the video, and apparently, they branched off during their migration into several groups. Their language branched

I read up on the Roma on Wikipedia after seeing the video, and apparently, they branched off during their migration into several groups. Their language branched off as well, taking on characteristics of their home countries. Wikipedia said the various dialects probably become so distinct, they likely could not understand each other. Eventually, some died out or were assimilated, which could explain your point. I can't wait until they actually translate it to find out what it is. Maybe they should start with a Roma translator.