It makes your development workflow smooth enough that you have the time and energy to do stuff like all the bullet points listed in https://news.ycombinator.com/item?id=46437289

>you have the time and energy to do stuff like all the bullet points listed

Don't disagree but in specific case, per the author, project was made via Claude Code. Although could as well be that Zig is better as LLM target. Noticed many new vibe projects decide to use Zig as target.