They don't mention this, but one major reason for this is to validate claims of family units and prevent trafficking.

This is, I suspect, a good thing. The article never states any downsides, other then nebulous claims. Yes, DNA is like finger printing someone, which is routinely done for arrests, but has the benefit of assisting in claims of family relations, which is at the heart of many ICE concerns.

They don't mention this, but one major reason for apartheid's Bantustan policy was to recognize distinct homelands and preserve cultural communities. This is, I suspect, a good thing. The article never states any downsides, other than nebulous claims. Yes, assigning people to ethnic homelands is like any other government record-keeping, which is routinely done, but has the benefit of assisting in claims of separate national identities, which was at the heart of many apartheid concerns.

Look at this guy making excuses for the Nazis