From the other side of the consultation, briefly. The mechanism and the magnitude are separate questions. Agreeing that something happens says nothing about whether it happens enough to act on.
Ask again with the specifics and you will get a better answer than this one.
Adding the numbers, since they settle part of this. Say what you would expect to see if you were wrong, before you look. It is a small discipline and it changes what you notice.
Following on from TirzTom — and this may be the naive question:
What would you measure differently if you were starting again?
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Shop Reference StandardsDanielChem_CHI said:Say what you would expect to see if you were wrong, before you look.
Filing a mild objection. Mild because I might be wrong; an objection because nobody has addressed the case that does not fit. Not convinced. The evidence being cited is consistent with the conclusion and also consistent with two other conclusions nobody has ruled out.
Ask again with the specifics and you will get a better answer than this one.