When I am not using nvim, I use VSCodium, Cursor or Zed, and irrespective of what editor I use I like to keep it clean i.e minimal things on my screen. There is no beating nvim in that case, but when I am using VSCodium, Cursor or Zed, the title bar and status bar is something that I don't need, 0 cases, I haven't ever found them useful.
Now hiding them means hiding them, that means they should not visible at all, I could not find a way to do that in VSCodium. I could not get it to work natively. I haven't tried on Zed yet, will update.
Cursor on the other hand made it absolutely easy and provided better UX. The difference is present in the comments.
This is how you do it. Cmd + Shift + J > General > Layout > Hide both
Its not also just hiding the title bar but also utilizing the space for tabs. Gold.
I appreciate Cursor for being considerate about this, small thing but I'm really glad so