The somewhat pointed and picky "tone" of Daniel's blog post might be clearer if one looks at the comments from Vigna (the author of Xorshift128+) on one of his other recent posts: https://lemire.me/blog/2017/08/22/cracking-random-number-gen...

Compare that to the exchange Daniel has with O'Neill (author of the competing PCG random number generator) in another recent post: https://lemire.me/blog/2017/08/22/testing-non-cryptographic-...