In general, the existence of a bias is insufficient proof that you should reverse your conclusion.
Sure it’s a convenience, but so is basically everything we do to alter a computer after unboxing it.
I agreed it's nice - but essential enough to merit the time sink of running linux? Not for me.
Maybe I’m just a Luddite that doesn’t know any better, but I’ve been quite happy without tiling windows for many years. Then again, I spend most of my time in a terminal in a tmux session. Maybe that counts.
A common thread here is - your use case is not my use case. Many people are assuming that their workflow is the ‘one true way’. That not a healthy way to have a discussion.
I was more like pointing out that macOS does allow for the following in some way out of the box:
> Every OS should let you line up two windows side-by-side out of the box
Personally I feel like I’m using a toy when I have to use a non-tiling window manager. It may not be for everyone, but the display server or desktop environment should at least provide an interface to allow someone else to implement it.