Scott Aaronson's entire professional life is essentially to distinguish what could and couldn't be a quantum effect in computation. So yes, your memory is accu

Scott Aaronson's entire professional life is essentially to distinguish what could and couldn't be a quantum effect in computation. So yes, your memory is accurate that his previous blog posts argue strongly that nothing D-Wave computers had done proved any quantum effects. His acknowledgement that they've achieved quantum computation is a compliment to their engineering prowess. But he is complimenting new engineering results.