Not an answer to your question but this article on point was sent to me recently by my daughter following a similar discussion we had. I hope the link works:
True but the reason I listed those points is that I wanted to comment on the specific issues raised by the original poster, whilst at the same time reiterating that I follow my concept of SI. So when I consider these companies for HYP selection, I do not dwell on those issues but nevertheless thought it desirable to offer some response to the query.
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