Putting this up for argument rather than for agreement. I have read it twice and I am still not certain what it supports.
The trade-off is reversibility against privacy and there is no option that gives you both. Card payments are reversible and disclose the most; crypto discloses least and is irreversible, which is precisely why pressure toward it is a warning sign when it comes from a seller rather than a buyer. Escrow only means anything where the escrow agent is independent of both parties, which is rarely the case in practice.
Where I think it is weakest: the completion rate deserves as much attention as the headline, because a large effect among those who finished is a different claim from a large effect among those enrolled.
So the question, as narrowly as I can put it: how people are thinking about the trade-off between reversibility and privacy, because you cannot have both. I would rather have one careful answer than five confident ones.
Figures above are from the primary publication rather than the press summary. If a number here disagrees with one you have, post yours and we will work out which of us is reading a secondary source.
Dr.DermMIA said:The trade-off is reversibility against privacy and there is no option that gives you both.
That holds where the measurement is reliable. Where it is noisy — and a lot of what gets tracked here is noisy — the same reasoning produces confident nonsense.
Dr.DermMIA said:The trade-off is reversibility against privacy and there is no option that gives you both.
Pushing back on Dr.DermMIA here. I think the framing smuggles in the conclusion. Ask it the other way round and the obvious answer reverses, which usually means the question is doing the work.
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View ResultsAnswering the narrow version, because the broad one does not have a single answer. Order of operations matters more than any single choice here: establish a baseline, change one thing, wait long enough for it to express itself, then measure again under the same conditions.
PharmD_Rodriguez said:That holds where the measurement is reliable.
Mine went the same way, slower.