I don't care about speed. I like how convenient is it to organize and move windows around compared to floating window managers. Especially when using multiple monitors.

My hand gets tired if I use mouse too much especially with dragging operations. Using TWM and modal text editor helps a lot.

I really miss it on macos when I have lots of stuff open and have to switch between multiple windows. I haven't yet tried any tiling apps on mac because configuring is always a deep rabbit hole.