I use tiling window management (on Linux) and can just detach a tab from a browser to get a second auto tiled window. So it's useless for me.
I think, most OSes also come with basic tiling for some time now, e.g. in older Windows you can secondary click the taskbar to arrange and in newer ones, you drag a window to a side of the screen to start tiling mode. There are extensions for Gnome (which is common as Ubuntu uses it per default) to do it as well (one such extension is Forge). And for wayland, there's the very unintuitive Hyprland, which doesn't had title bars, when I last used it. And for X there's things like "notion" (which has title bars btw), if you don't want Gnome or whatever kids use these days.