Wait, so was the Supermicro attack real? There was a lot of skepticism around it, and nobody was able to confirm it with certainty. Then a few years later Bloom

Wait, so was the Supermicro attack real? There was a lot of skepticism around it, and nobody was able to confirm it with certainty. Then a few years later Bloomberg unexpectedly doubled down on it, again without proof (if I'm not mistaken). Was there anything new after that? I haven't been following the story since then.