The good reason is growth. Our AI sector is based on, in large part, the fruits of these data. Maybe it's all baloney, I don't know. But those are jobs, investment and taxes that e.g. Europe has skipped out on that America and China are capitalising on.

My point, by the way, isn't pro surveillance. I enjoy my privacy. But blanket labelling personal data as radioactive doesn't seem to have any benefit to it outside emotional comfort. Instead, we need to do a better job of specifying which data are harmful to accumulate and why. SSNs are obviously not an issue. Data that can be used to target e.g. election misinformation are.