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Jacob's avatar

> and seems not to fully grok the principle of ‘you can just act sensibly in response to mildly concerning information’ despite explicitly stating that principle many times.

You *can* but how many people actually*do*? Will our system overall act sensibly? What's possible is not under dispute, what's likely is.

Scott Alexander's avatar

I don't think I dismissed the idea of doing incremental scans and taking the difference "out of hand". My point is that this is priced into everyone's discussions of how useful this is. "Doing a scan twice" isn't some kind of insane technological leap that it took an AI company to think of. Existing whole body MRIs are often done yearly. The reason this doesn't help much is that dangerous things aren't particularly well-distinguished from benign things based on how new they are or how quickly they grow (or rather, the degree to which they are is already included in the calculations I gave earlier).

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