Why does it seem like all new Wayland compositors are tiling? Sure there's Gnome and kWin which are classic stacking/floating windows, but there aren't many minimal light weight non-tiling compositors showing up. Are tiling just easier to write?

A Windows 3.11 or Mac Classic like compositor would be fun.

https://github.com/labwc/labwc is one I've seen. I don't use these myself, so I can't speak for the quality or anything.