If you're referring to "Bedrock", than probably because it's the only one available on Playstation, which is what he's using.

Your getting downvoted but it's a natural question. It's like the kernel hacker running windows on a pad. But he's having fun, thats the whole point.

Could you please stop posting low-quality comments to HN, such as shallow dismissals, snark, putdowns, etc.? Your account has unfortunately been doing it repeatedly, and we're trying for something else here.

If you wouldn't mind reviewing https://news.ycombinator.com/newsguidelines.html and taking the intended spirit of the site more to heart, we'd be grateful.