I would buy the stratospheric model being wrong, but assuming good faith I think they've addressed the contamination objection - you'll note that they did a control with the same procedures except for opening the sample drawer and it came back clean. This is highly reproducible so I'm going to assume they're reporting in good faith.
Flat-out lying was mentioned last because I rate it the lowest. But also non-zero. This is a field that has had many more liars than discoveries, though certainly when there are zero discoveries to be made in the search space we've had access to so far that says less than it might otherwise.
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I would buy the stratospheric model being wrong, but assuming good faith I think they've addressed the contamination objection - you'll note that they did a control with the same procedures except for opening the sample drawer and it came back clean. This is highly reproducible so I'm going to assume they're reporting in good faith.
Flat-out lying was mentioned last because I rate it the lowest. But also non-zero. This is a field that has had many more liars than discoveries, though certainly when there are zero discoveries to be made in the search space we've had access to so far that says less than it might otherwise.