In fact his chosen name here is his project name, 'TempleOS':

https://news.ycombinator.com/threads?id=TempleOS

It was previously 'losethos', when that was his project's name:

https://news.ycombinator.com/threads?id=losethos

I would think the downvotes were because his name was in the article and due to the fact that a good percentage of people around here know his name, people assumed you were being snarky with the question as opposed to curious.