Following on from pete_nash — and this may be the naive question:
How would you tell the difference between that and the alternative explanation?
Worth restating a point from upthread for anyone joining at this page:
Went back through my own correspondence with an earlier supplier and the warning signs were all there in the replies, weeks before the quality changed. I was reading the product and not the behaviour.
raj_cambridge said:The pattern that distinguishes a bad batch from an exit is behaviour rather than product.
Correct, and worth adding that it is reversible. Nothing being described here is a one-way door, which changes how cautious it is reasonable to be.
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Browse GL Biochemraj_cambridge said:The pattern that distinguishes a bad batch from an exit is behaviour rather than product.
Saving this. It is the first explanation that did not require me to already understand it.
Worth restating a point from upthread for anyone joining at this page:
True, with the qualification that this is a self-selected group. The people for whom it did not work post less, and that shapes everything we think we know.