These considerations are made on the basis that some users are not explicitly aware that they are using a window manager, nor do they know what one is or that t

These considerations are made on the basis that some users are not explicitly aware that they are using a window manager, nor do they know what one is or that they could change it or how the could change it. You're right though that it's odd that some users who _do_ know those things will distro hop for that reason.