There is a clear reason - to make them uncomfortable. Nobody forced them to work there, and it is obvious to everyone what kind of future they are building there. If you exchange your soul for a good paycheck, this is just what you get.
The alternative is "Oh, you work at Schutzstaffel? That's cool!". That he has done is morally correct.
It's trivial (if you know what you are doing) to load kernel drivers from userspace by abusing windows bugs.
If you trust a program to run in userspace, then it already has all the keys to the kingdom.
Good that you've managed to read the first sentence. But it would have been better if you've also read the second one where he explicitly said "I created the account just for my Oculus Quest 2 and don't post anything on it".
It's a very compelling story, but that wasn't actually the case. The real reason was the flawed design. People just had to kill everything for the materials because of the way equipment was implemented.
To put it bluntly, because the road constant progress and improvement can potentially unveil the meaning of existence of the universe. Nihilism is naive by definition, just because you don't know the meaning, doesn't mean that there is no meaning at all.
Humans are actually special. We are smarter than any other animal on earth and have culture. Human brain is the most complex structure in the known universe, so even on that scale we are pretty special.
And it simply makes no sense to just throw away millions of years of evolution. Your nihilistic worldview is very naive.
The alternative is "Oh, you work at Schutzstaffel? That's cool!". That he has done is morally correct.