>Seems like a waste of space

It's quite the opposite.

My laptop has a small 11.1'' screen, so using a traditional desktop with smaller windows is not practical for me. Plus, not having the windows overlap with each other by default gives a more structured workflow.

unrelated to the comment: I wrote this answer 3 times, but the damn process killer on Android kept deleting it so I had to re-write it each time. if I sound mad, it is because I am.