This seems like an absolutely indispensable technology for achieving reparations. Most black Americans have ancestors who (slavery) worked a lot of unpaid hours. Having clear metrics on how many slaves there were is a step towards having a well founded number for what the cost of reparations should be. There are some places in the US which have started, but they're just kind of pulling numbers out of a hat and I don'…
What are the limits? Who will be excepted? How will it be enforced? All good questions! But we can hardly answer them if we refuse to engage with the idea of reparations to begin with.