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Yes, he's quoted where he explains why he thinks the issue the blog post is talking about is not a problem.

Like, I said, I'm not going to pretend I fully understand all the math and everything behind it because I don't. If it doesn't work, prove it. Otherwise you can look at the trillions of dollars worth of value being moved around the world right now on blockchain networks and you can surmise that the current approach is very much working.